Great video. To anyone watching this vid now, consider using a drill with a long, metal bit. We used about a 5" bit for the first piece of the cat and a 12" 3/8 bit for the second one. Still takes a while and some elbow grease but not too bad, and I'm sure it stresses the bike a lot less than a hammer and chisel/pry bar. Also, you will need a powered plug-in drill. We tried a battery powered one and it was nowhere near strong enough.
Piston Slap they are about $14 each. We already had the shorter one so if you didn't have any drill bits you could just get the 12" and that would probably do the trick. It might be a little awkward for the first one since it's not that deep in the pipe, but it'd work and you'd save $14
When removing the cat it is recommended to get a tune that gives the bike a little more fuel than with the cat, due to the loss of back pressure. Without the back pressure, your bike is allowing way more air into the bike, since the air moves faster out of the exhaust. Which means the bike will be running lean. No, it won't immediately kill your bike. It won't kill you bike in 10,000 miles. But it does do some extra wear to the engine, as well as make the bike run slightly warmer
Flushhed yep. It is almost like having a race header. Just a little smaller pipe and stuff. I used the tune on graves motorsports site. The I did a plug reading from the original plugs and the color is almost spot on.
Questions for yall as my bike is slightly different (gutted cats, stock pre muffler, m4 muffler after that) thoughts on re tune. What creates more back pressure. Pre muffler of cats? Also stock air intake. Thanks in advance
@@wpbninja7287 typically it’s only to a certain extent, there’s a set range it can adjust to. i might be wrong, but that’s how it was on my car, it was always recommended to get a tune of you remove the cat because the difference was too much for the ECU
@@dbzx6r it's is set to a certain limitation but I would only worry about it as check engine light came on specifically for that for fuel trim being set too high or too low cuz that would tell you that you need to get it tuned otherwise you shouldn't have to
Thank you so much for this video man. I just finished installing the Graves carbon fiber slip-on with the help of your video. I’m choosing not to gut the cat at this time. Also tonight I installed a PCV myself.
Taking off stock exhaust was probably the most fun, it is one of the best mods you do can. You can also get "Servo buddy" but chose to keep my servo in to save money and no check engine light on.
+Shift-Light I want to weigh my stock exhaust, I also removed the rear passenger pegs , (I don't have anyone that rides with me so no need for those). The bike looks a lot cleaner with out all the stuff on it as well. I would like to get it on a dyno to see what gains I had made!
Same as my gsxs1000 , told that the cat is the muffler , in the UK so the cat will be needed in the future & I don't mind having a cat (actually want one) removed the muffler but had to take the headers out , grief without taking them off Good video
I am amazed all the unwanted stuff that comes on bikes these days. You describes the process very well. Even I could do it. I watched the whole thing and I don't even own a ZX6R. What the heck does that servo operate. Some type of exhaust vane?
The servo controls a valve in the rear part of the exhaust. I'm not sure if it's like the corvette and they use it to keep the bike quite untill you get hard on the throttle and high up in the rpm. or if it's for low end power to build a little back pressure. I didn't notice a lack in power at the bottom end when I changed everything so I going with a sound control device of some sort.
EXCELLENT VIDEO, AS HE STATED, STONGLY RECOMMEND TAKING THE HEADER OFF, THIS IS A VERY DUSTY AND DIRTY JOB. I DID MINE OFF THE BIKE AND IT WAS A PITA. IT SEPERATED FROM THE HEADER FINE BUT THE HARDEST PART WAS BREAKING UP THE LARGE PIECES INTO SMALL PIECES TO COME OUT THE COLLECTOR OF THE HEADER. #1 REASON IS YOU WILL BANG THE HELL OUT OF THE CORE INSIDE THE HEADER AND THE HEADER IS NOT SUPPORTED ANY WHERE ELSE ON THE BIKE EXCEPT THE EXHAUST STUDS. YOU DO NOT WANT TO BANG ON THE HEADER WHILE ON THE MOTOR, YOU COULD EASILY CRACK YOUR HEAD!!! SINCE YOUR APPYING A DIRECTIONAL LOAD TO THE STUD. STUDS ARE STEEL , HEAD IS CAST.
are there any performance gains from knocking the cat out, or is it just a change in sound ? I'm waiting on this muffler to come in for my 17 zx6r and wondering if the extra work is worth it. Well done on your video, New sub !!
frosty116 I would believe there is a performance gain...a small one but your increasing the flow of the exhaust when removing the cat. Thanks for watching!
I have a two brothers slip on and I'm pretty sure my cats are in my header but every forum says that it's in the muffler but it sounds way to quiet to be in the muffler 08 cbr1000
@@PistonSlap I think that everyone thinks the resonator is the cat idk ill end up buying headers for it eventually so itll be fine I dont think I can decat them bc the cat isnt in the 2-1 pipe in the header it's in the 4-2 section where the header goes from 4 pipes to 2 pipes
@@PistonSlap might do that itll save me 800$ I dont have a welder but I can buy one and itll pay itself off right away instead of spending 800 on headers
My latest mod! I don't how you got the pre chamber out without removing the wheels. I tried but I gave up and took the rear tire off. However, I didn't remove the cat (Protect Earth) but the bike sounds great!
It's loud, I don't know if its louder than the M4. I normally ride around in high gear so not a lot of RPM but at the track you could tell. I have a few track day videos that you can listen to it
I have zx636 2017. I didn’t remove the valve. The two donuts u talking about. I removed just chamber. And slip my new Akra. The sounds is really nice from the stock. Noe my question do u think it will make a major difference if I go for those two donuts or it’s not necessarily a noticeable gain.
Hey mate great video. I looked through the comments to see if anyone else asked this question first, but no one did. Would you say that it’s doable to saw them out once you make a hole with a drill or is the metal that solid? Trying to find a better way to get them out while we have time on our hands. Thank you!
Im not sure how you would get a saw blade down in there and cutting the pipe to get better access to it would posibly cause a leak or alignment problem if your not careful. Its a crappy setup to try and get them out. Its one of those thing that will require a little bit of time and effort
thanks piston slap!!!! I just finished this video on my bike , and wow the cats was a pain in the @$$, but wow is sounds soooo much better than factory 👍👍👍
Piston Slap yes I agree , but I'm (like you) I'm very mechanically inclined , I could of figured it out , BUT your video helped me into NO stopping and looking for the directions , so thanks for that , also its a shame the audio doesn't give the FULL sound as it does in person , but I'm really happy I went with Graves , AWESOME SOUND, tbh to me sounds a lot closer to a liter bike now 👍👍
Yeah, When I was on the track It's was close to the sound of a 1000, other than the cross-plane R1. I like the grave exhaust for how short and light it was. I also rode solo so I removed the passenger pegs and brackets for the stock exhaust. Less weight more acceleration!
Piston slap do you know the best cell phone mount to get for our 2015 kawasaki zx6r 636 . I'm looking and I cannot find the best 1 for that bike ???? Any response appreciated , but I found a ram mount that bolts to the gas fill cap bolts , it seems perfect but no phone mount comes with it
piston slap i have 06 zx14 with a 08 zx14 header which that year has the cats inside header, ive driven bike 1000miles like this since old owner had just exhaust tips on header only so yeh it was loud... well i found a vance and hines cs1 exhaust or slipon and i gutted my cats in header- since i gut them im not driving it like that since its loud and i dont wanna mess it up neither. should i feel a difference in power considering i never had mufflers since ive had it and i gut the cat? the 06 zx14 didnt have cats in header but if not mistaken it had them in mufflers so i should be okay but i am considering a powercommander but what u think? the secondary butterflys are gone to from previous owner
The little foil looking circular things are called catalytic converters. They are a minor restriction in the exhaust. For maximum performance you wpuld want them removed.
@@ray_d8536 No, ask away on questions. Louder is not always faster/more powerful. What I mean is that that catalytic converter or "cat" as most people will call it will restrict the flow of exhaust a little. For instance, you may be wearing a face mask due to the current situation. While it is a little restrictive during normal breathing say you started running for your life with that mask on. It would be a lot more restrictive due to the amount of air you need to breathe. The same idea applies to the "cat" in your motorcycle. During normal riding, you would never notice a thing, but during a full wide open pull you could pick up a tiny bit more power because the engine is able to get the exhaust out easier. You may not feel it but could see it on a dyno. The engine is louder, is a side effect of the "cat" being removed because it acts as a muffler so to speak in the same instance.
How can I find out exactly where the cat is located on any given bike? Especially a new model where they don’t have a full exhaust for yet. Thanks for the video
The only way I van think of is physically take the exhaust system apart and look in it. If you have access to a borescope you could slide the pipe apart and slide it in to take a look. Most catalytic converters that I have seen seemed to be underneath the bike at the bend to the first slip on pipe
Piston Slap borescope. Great idea! I’m looking at picking up a Tenere 700 when they’re available in the states and want to do a proper tune to free up what EU5 takes away from performance. Thanks for the idea
Hey, how did the bike feel after you flashed the ECU? Did you flash first then exhaust or was it all at the same time? I'm still debating which exhaust I should get, I like your Graves and I dig it too. Is it loud or quiet with and without baffles? I want to flash my ECU first with the stock setup because I like how quiet it is but don't really like the big bulky stock exhaust.
Chris it's not real quite. I believe the M3 exhaust is a bit louder. I have never used the little l Silencer that we with it. I put the exhaust on first then rode it to the tuners place. It popped and was a bit twitchy on the gas. The tune seemed to smooth it out. I have a video of how this exhauste system sounds under different loads and speeds
Chris the insert is sold separately. I went onto graves Web site to find it for 34.99. The product details for the slip on say it is sold separately. The slip on with out the insert is 106.5 db. With the insert 103 db @ 5000 rpm
Loved the video, I had a question tho, is removing the cat significant for sound, I have the graves slip on and I’m wondering will it backfire more or just get louder, I love exhausts but I know nothing about cats
It will get louder and the popping back will also increase. You can install drivin clean air block off plates to reduce it a bit but it's going to pop back. You might be able to get a better idea if you search my channel for the track day sessions I did
Great video man! i see that you reply to comments quite frequently, so i thought id ask you a question. I have been looking at getting this pipe, not for sure on what i want yet. but does it seem like the "graves" sticker on the side is removable? Thats probably the only thing holding me back from this pipe. look a little guady to my, but the pipe it slef looks great.
I just looked at the it. It looks like you could peel the sticker off. I'll post a picture to my Piston Slap Facebook if you want to see a up close picture.
HyenDryGG the process is similar for most bike. Depending on the manufacturer. The cat is optional. It will be louder without the cat. But it will allow the exhaust to flow more. I personally wanted the most performance from it so I removed it.
Its very minimal with the tune on this bike. I had it on the dyno and it was a tad on the rich side so a little leaner would not hurt it. I did have a flash put into the ecm. If was free to download from graves. It looked like they added a little ignition timing and small fuel adjustments. You can put the slip on, on and not install a tune (that's what I told from graves)
I would like to see the gutted cat after you knocked all that honeycomb out. Is the inner wall smooth now? Or are there remnants of the edges of the honeycomb donuts? I have a 2019 ZX-6R and would like to retain the stock header if it flows about as good as an aftermarket header. Thanks in advance!
its smooth. If your looking to squeeze ever once of power out a header would be the choice but for the every day rider I feel the gutted head pipe is the better alternative.
@@PistonSlap Thanks for the quick reply. I am an ex-racer (AMA superbike in '90s) and really just want to use the bike for street and the occasional track day. I plan to get a pipe and have it remapped at 2WDW. The stock header looks like it is 95% there, as far as flow, if I add a slip-on. Just the cat removal is needed.My bike will never be used (by me) in a race, so I do not need to extract that last 1-2%. Thanks fo rthe vid! Great work!
I'm debating on removing the cat and replacing it with a mid pipe. Truthfully, was it super difficult to knock the Cat out how you were? It just seems to much more simpler than taking the headers off. (I already have a Two Brothers slip on).
If you can get a air hammer and a long bit then knocking the cat out is cake. Takes a matter of minuets. If you do it the old fashion way with a hammer and a long screw driver it takes 2-3 hours. I would recommend taking the head pipe off, but it is not required.
+Jayden Valentine Thanks! when I first got the bike and for a long time I thought that was a cat as well. When I started looking I to exhaust options I fou d out it was jut another muffler.
Hi pistonslap ive got a 2015 zx636 and I want to install a akroprovic slip on and remove the baffle box and replace it with a straight through de-cat pipe,if I just disconnect cables and remove them from servo and leave servo in place under seat I shouldn't have to have a tune up or worry about any lights coming up is that right? Cheers
You are correct with leaving the servo on the bike and removing the cables. You wont have a light. The cat on your bike is in the head pipe. The pipe you are getting is to take up the space from the head pipe to the slip on. Thanks for watching.
I have the same bike. I’ve seen the servo on my bike BUT I bought the bike with a shorty exhaust so I’m not even sure if the servo is still hooked up. Also I’m sure my cats are still in. Should I leave the bike how it is until I can get the ecu flashed or could I go ahead and remove all that stuff and flash the ecu about a week or 2 from today?
If you look near your right foot peg there would be two cables attached to the exhaust if it was hooked up. Most guys just remove the cables and leave the servo plugged in to prevent a check engine light. Removing the cat will not set a check engine light. Im not sure of the bike you have as far as what country your in. The euro models cam with a o2 sensor. If that is your case it might trip a light for that. It would not hurt it to run with the check engine light on for a couple weeks if ypu decided to unplug the servo box.
What are you doing that requires you to remove the cat and not just install the muffler for looks? I have a 600 and it has plenty of power but I wouldn’t mind it sounding better.
Ralph Spencer removing the cat will add a increase in flow and sound. It's not much more power but it's a easy one. Similar to putting a rece header on without the expense.
Hello man and thanks for the video.... I have a question please and I hope you would help. I have a 2016 Ninja1000sx, it has no servo but the back chamber and the cat are may be the same like yours. I've got Akra megaphones slip on on both sides but they don't sound as loud neither as deep. I'm thinking of removing the cat and the back chamber but I was wondering if the performance would be affected!! What about the O2 sensors, ECU, F1 and resting rpm? What is the best way to fix the above issues after I do that? Thanks
yazan talab I would jave the ECU flashed to delete the o2. by removing the cat ypu will loose a tiny bit of low end torque but the tune will make up the difference on the higher end of rpm scale. if you have access to a cutom tuner that is the best route for tuning.
you didn't need to flash the ecu for the servo motor. fueling?...yes! but the servo motor all you need is the servo eliminator plug that prevents that. Heal Tech makes one and it's been amazing on my bike.
The servo would need the ECU flashed or you can buy a servo eliminator like you had said. With all the changes I had done the Fuel mapping was free from Graves Motorsports. I paid a buddy of mine to flash their tune in. You are correct I didn't need to do that but it smooth's the power out a bit. Thanks for the comment.
I have m4 gp slip on on my 2014 zx6r and I am wanting to add a mid pipe to it. Do you know if all mid pipes fit the slip on exhaust, or will I have to get a whole new exhaust? I don’t want to gut the cat like you did, don’t really trust myself to do it. Would rather buy a mid pipe, but don’t know what to buy to fit my current slip on. Please help me
I'm not sure what to say. The cat is part of the head pipe. I don't believe there is a mid pipe unless you buy a aftermarket header. Danmoto I belive is the manufacture. With other exhaust systems im not sure of like size or location. I wanted the muffler/slip on as close as possible.
@@Edjucated_ the best way is to remove the head like from the engine. That way you don't risk ruining the seals or head. A long punch or drill bit with a some elbow grease will work for you.
Catalytic converter is there to convert harmful gas. What's the purpose of removing it, to make it louder? Anyone did a before/after cat with significant difference in the sound?
Khoa Vo the catalytic converter is there to basicly clean up the exhaust gasses that come out of the engine. When the gasses go threw the "cat" there is a chemical reaction that takes place to make the exhaust gasses less harmful to the environment. Removing it will increase flow through the exhaust, which will increase performance. There are side effects. Yes it will be louder. You will loose a tiny bit of bottom end torque but gain more HP on the mid to top side of the power band.
Questions for yall as my bike is slightly different (gutted cats, stock pre muffler, m4 muffler after that) thoughts on re tune. What creates more back pressure. Pre muffler of cats? Also stock air intake. Thanks in advance
@@PistonSlap I'm playing it safe and ordered a PC6 so I can re-tune it with a "full exhaust stock intake" tune which should be good. Did you end up tuning? If so what did you go with. Thanks g
The block off plates will reduce the popping through the exhaust on decell. There are a few ways when doing the block off plates to keep the Check engine light from turning on and setting a code. 1st is leaving the valve plugged into the harness, 2nd there might be a dohicky that plugs into the harness to mimic the valve. or Flash/programme the ECM to eliminate that code and disable the valve. All the valves are for is to put clean air into the exhaust to help dilute the gases for emissions. Hope that helps, if ya have any questions let me know.
Piston Slap Awesome! But this is a hectic process... What if I don't install block off plates? Will the popping sound cause any kind of power loss or engine damage? I mean I'm not gutting the cat, why would there be popping sound?
No damage or anything just pops....alot when you let off. Sometimes it sounds cool, other times its annoying. When I was at the racetrack going into the corner on decell with all the tune and plates installed the spectators would say my bike would pop quite loud...then again thats up around 14-16k rpm. I dont normaly ride like that on the street.
Piston Slap Hmm... so no power loss down the lower RPMs or any abruptness while deceleration? I mean I'm not gutting the cat after all!! And I would be purchasing the graves sound insert as well. I'll not be doing an ECU flash. That's my last question. Pls reply
Yes is will be louder. The cats will restrict the sound and flow. I have a sound video that I had put up so you can here what is sounds like on all types of riding from the streets to the track. If your having it tuned you will want the cat removed to get a accurate air fuel reading. Unless they are using a O2 sensor before the cat.
+Piston Slap oh okay so it's best to gut it before I get the tune? I have same bike as u just the 15 aniversary so it's like identical process as u took I just really don't want it to be much louder than it is this graves is loud on long rides does it hurt your ears or no because mine now doesnt
+Nick 636n8r (stuntn24-7) the graves is loud and on a long ride 150+ I would recommend eat plugs or ear buds with music. I don't have a desire meter so I can't say how loud it is. I have been told by others that it isn't as loud as a M4. If you don't want to gut the cat you could flash the tune from graves in it. If you flashed the tune from graves in your ecu and left the cats it would run a little rich.
+Nick 636n8r (stuntn24-7) nice. depending on the tune software they use. They might be able to add a quick shifter also. they are a lot of fun and if you ever go to a track it make it that much more fun.
So, if I take off the pre-chamber, my bike will be louder? I bought an Akrapovic exhaust. I love the aesthetics but it's still too quiet for me. Seems fairly simple. I don't think I'm going to mess with the cat yet though lol.
Piston Slap thanks man, I tried getting it off and I failed to realize I was going to run into the same problem you did. (The tight space) what tools did you use for reaching those? I’m going to order it on amazon for the weekend. Seems fairly quick though.
@@itsjustjonnoh I used a long screwdriver and a medium sized pry bar for the deeper one. I pined Pauls comment he posted a few size drill bits that he said worked better.
Thierry it dose pop. I installed block off plates from driven. It supposedly helps with the popping. Using a shorter exhaust made it do that, where as the stock muffler would quiet it down a lot.
Carlton Holbert I did put a set of driven block off plates. It said that it will help reduce the popping through the exhaust. It seemed a little less after I put them on.
My 09 zx6r is the same exact way. This winter i'm gonna attempt to drill my cat out. i had my bike on the dyno multiple times already so i'm curious on how much power might be gained from it the next time when i dyno it.
I still haven't made it back to the dyno shop since doing all the work last winter. Its been a busy summer with riding and work. Hopefully next year I will have time. I wonder how much power you will pick up when you remove the cat?
The place i bought my bike from has monthly events where they bring in a dyno trailer so i've been spoiled a little bit by it. I just replaced my two brothers pipe with a Jardine gp1 so I'm hoping that with the cat removed and the new pipe i can gain 2 or 3hp
Khoa Vo I have a t guy here that specializes in tuning sport bike computers. I have a video that shows what I did. But basically I installed a connector into the ECM harness and he hooks his computer to the bike and programs it with a tune. I got the tune file from graves motorsports
I want to remove my Cat on my CBR but i was wondering if removing the Cat, will it make it street illegal? I live here in Texas and i seriously dont want it to fail inspection in the near future.
duy tran I wouldnt know. I would contact some of the local sport bike groups and see what they have done. I don't have anything like that here we just insure them and register them.
Removing the catalytic converter will not fail your inspection here in Texas. I live in Houston and I have no problem. What they are looking for in inspections are different from car inspections. All they check is if your signal lights work, your horn, your lights and if your tires are good. They don't hook up your motorcycle to a machine like they do cars.
@@tommy_s550 If you can get a long enough punch or screw-driver in there you can beat it out. Some of the guys had mentioned using a long drill bit also
here is a comment that I pinned a while ago, Pinned by Piston Slap Paul 9 months ago Great video. To anyone watching this vid now, consider using a drill with a long, metal bit. We used about a 5" bit for the first piece of the cat and a 12" 3/8 bit for the second one. Still takes a while and some elbow grease but not too bad, and I'm sure it stresses the bike a lot less than a hammer and chisel/pry bar. Also, you will need a powered plug-in drill. We tried a battery powered one and it was nowhere near strong enough.
Daniels Schmidt I didn't have a drill bit that long. Also kind of soft and rolled up. So a drill would only put a hole in it. I suppose if you drilled it a lot you would be able to get it out.
understandable... and concerns about debris going up into the engine? Seems pretty hard for it to work its way up there but a co worker brought that to my attention. Thanks for the reply
Daniels Schmidt it is posible for debris to get up there but I fired the engine every once in a while as parts came out. When I was done I just have it a little rev about 5-6000 rpm. To blow out anything before I put the slip on back on. It's going to be really loud.
Everybody's got an opinion about what to do and what not to do on their bikes only real tuners know what's going on so all you form readers keep reading you're still not a tuner
I wish we had a custom tuner here at the time I was doing this the bike would have probably been a touch smoother and a little more power vs the canned tune. I sure do miss this bike.
HAHA! i did the same shit with my cat , i smashed it out , it was a mess cause my mate thought he could just drill it out , took us 2 days to get the right tools to final get every bit of it out!
Great video. To anyone watching this vid now, consider using a drill with a long, metal bit. We used about a 5" bit for the first piece of the cat and a 12" 3/8 bit for the second one. Still takes a while and some elbow grease but not too bad, and I'm sure it stresses the bike a lot less than a hammer and chisel/pry bar. Also, you will need a powered plug-in drill. We tried a battery powered one and it was nowhere near strong enough.
Paul thanks for that info. I'm going to pin your comment for everyone. How much were the drill bits?
Piston Slap they are about $14 each. We already had the shorter one so if you didn't have any drill bits you could just get the 12" and that would probably do the trick. It might be a little awkward for the first one since it's not that deep in the pipe, but it'd work and you'd save $14
One of the best de-cat videos I’ve seen on a ZX6R.
When removing the cat it is recommended to get a tune that gives the bike a little more fuel than with the cat, due to the loss of back pressure. Without the back pressure, your bike is allowing way more air into the bike, since the air moves faster out of the exhaust. Which means the bike will be running lean. No, it won't immediately kill your bike. It won't kill you bike in 10,000 miles. But it does do some extra wear to the engine, as well as make the bike run slightly warmer
Flushhed yep. It is almost like having a race header. Just a little smaller pipe and stuff. I used the tune on graves motorsports site. The I did a plug reading from the original plugs and the color is almost spot on.
Questions for yall as my bike is slightly different (gutted cats, stock pre muffler, m4 muffler after that) thoughts on re tune. What creates more back pressure. Pre muffler of cats? Also stock air intake. Thanks in advance
Huh and here I thought the o2 sensor on a stock ECU regulates the air/fuel ratio?
@@wpbninja7287 typically it’s only to a certain extent, there’s a set range it can adjust to. i might be wrong, but that’s how it was on my car, it was always recommended to get a tune of you remove the cat because the difference was too much for the ECU
@@dbzx6r it's is set to a certain limitation but I would only worry about it as check engine light came on specifically for that for fuel trim being set too high or too low cuz that would tell you that you need to get it tuned otherwise you shouldn't have to
Thanks for the upload, I had a hard time finding a good tutorial, but this was perfect. Appreciate it!
Oskar Nilsson you are welcome and thanks for checking out my video!
Thank you so much for this video man. I just finished installing the Graves carbon fiber slip-on with the help of your video. I’m choosing not to gut the cat at this time. Also tonight I installed a PCV myself.
Awesome and thank you for watching!
Taking off stock exhaust was probably the most fun, it is one of the best mods you do can. You can also get "Servo buddy" but chose to keep my servo in to save money and no check engine light on.
+Shift-Light I want to weigh my stock exhaust, I also removed the rear passenger pegs , (I don't have anyone that rides with me so no need for those). The bike looks a lot cleaner with out all the stuff on it as well. I would like to get it on a dyno to see what gains I had made!
Same as my gsxs1000 , told that the cat is the muffler , in the UK so the cat will be needed in the future & I don't mind having a cat (actually want one) removed the muffler but had to take the headers out , grief without taking them off
Good video
Thankfully they haven't pushed for emissions testing on motorcycles here....yet
Best guide video. All others are poorly done videos.
Thank you
Thank you for the kind words!
I am amazed all the unwanted stuff that comes on bikes these days. You describes the process very well. Even I could do it. I watched the whole thing and I don't even own a ZX6R. What the heck does that servo operate. Some type of exhaust vane?
The servo controls a valve in the rear part of the exhaust. I'm not sure if it's like the corvette and they use it to keep the bike quite untill you get hard on the throttle and high up in the rpm. or if it's for low end power to build a little back pressure. I didn't notice a lack in power at the bottom end when I changed everything so I going with a sound control device of some sort.
EXCELLENT VIDEO, AS HE STATED, STONGLY RECOMMEND TAKING THE HEADER OFF, THIS IS A VERY DUSTY AND DIRTY JOB. I DID MINE OFF THE BIKE AND IT WAS A PITA. IT SEPERATED FROM THE HEADER FINE BUT THE HARDEST PART WAS BREAKING UP THE LARGE PIECES INTO SMALL PIECES TO COME OUT THE COLLECTOR OF THE HEADER.
#1 REASON IS YOU WILL BANG THE HELL OUT OF THE CORE INSIDE THE HEADER AND THE HEADER IS NOT SUPPORTED ANY WHERE ELSE ON THE BIKE EXCEPT THE EXHAUST STUDS. YOU DO NOT WANT TO BANG ON THE HEADER WHILE ON THE MOTOR, YOU COULD EASILY CRACK YOUR HEAD!!! SINCE YOUR APPYING A DIRECTIONAL LOAD TO THE STUD. STUDS ARE STEEL , HEAD IS CAST.
and wear face mask? surely the stuff inside is hazardous?
Steve Griffiths it may be, but I don’t think platinum dust is hazardous. It’s never a good choice to breathe in dust though
Thanks you for clearing this up! I'm going to buy a link pipe for a Sweet sound :)
Sounds great!! I have a 2005 zx10r with a slip on and they sound identical
Is your exhaust short like the one in the video? My buddy has a 05 zx10r and he's trying to find an exhaust but doesn't want a long one
As someone who knew nothing about motorcycles prior to this, I thought this was going to be gutting a cat that was destroying the motorcycle.
They’re usually called expansion chambers on two strokes. I’m sure it’s the same
are there any performance gains from knocking the cat out, or is it just a change in sound ? I'm waiting on this muffler to come in for my 17 zx6r and wondering if the extra work is worth it. Well done on your video, New sub !!
frosty116 I would believe there is a performance gain...a small one but your increasing the flow of the exhaust when removing the cat. Thanks for watching!
I have a two brothers slip on and I'm pretty sure my cats are in my header but every forum says that it's in the muffler but it sounds way to quiet to be in the muffler 08 cbr1000
I wouldn't know on your bike. I was told the same thing and when I had it apart I found that they were in the head pipe.
@@PistonSlap I think that everyone thinks the resonator is the cat idk ill end up buying headers for it eventually so itll be fine I dont think I can decat them bc the cat isnt in the 2-1 pipe in the header it's in the 4-2 section where the header goes from 4 pipes to 2 pipes
@@alstonz5558 if you are really good with a tig or mig you could cut it and gut the cat then weld it back
@@PistonSlap might do that itll save me 800$ I dont have a welder but I can buy one and itll pay itself off right away instead of spending 800 on headers
Great video
My latest mod! I don't how you got the pre chamber out without removing the wheels. I tried but I gave up and took the rear tire off. However, I didn't remove the cat (Protect Earth) but the bike sounds great!
Chris yeah the pre cat was a bit tight with the rear wheel in.
I did it, I think I let air out of the tyre til it was quite low and then it squeezed out
How much louder is the bike with no cat? My friend has m4 gp slip on with cat still in it seems pretty loud.
It's loud, I don't know if its louder than the M4. I normally ride around in high gear so not a lot of RPM but at the track you could tell. I have a few track day videos that you can listen to it
I have zx636 2017. I didn’t remove the valve. The two donuts u talking about. I removed just chamber. And slip my new Akra. The sounds is really nice from the stock. Noe my question do u think it will make a major difference if I go for those two donuts or it’s not necessarily a noticeable gain.
The gain will be minimal but it was free for me to do it. The sound will also be a little bit louder.
How would put the bike back to stock with the cat all smashed up?
Buy a new one or dont remove it. Keeping all the other components and not cutting the wires would make it easier.
You didn't need a mid pipe or "cat delete" pipe in between the header and the slip on?
This bike didn't need one. The cat is part of the header that runs almost all the way to the pegs.
@@PistonSlap what year?
@@tdusar06 this was a 2013. I believe they were the same all the way to 2017. I have looked at a 18...yet
@@PistonSlap yea my buddy has one its kind of stupid to be honest.
Same for 2019 too
yes I was thinking the same thing I'm sure it's more than likely the same
Hey mate great video. I looked through the comments to see if anyone else asked this question first, but no one did. Would you say that it’s doable to saw them out once you make a hole with a drill or is the metal that solid? Trying to find a better way to get them out while we have time on our hands. Thank you!
Im not sure how you would get a saw blade down in there and cutting the pipe to get better access to it would posibly cause a leak or alignment problem if your not careful. Its a crappy setup to try and get them out. Its one of those thing that will require a little bit of time and effort
Piston Slap just the blade part itself I meant. Is the material really strong or do you think that a blade could cut through it?
@@leighpollitt3395 if you got it though it might work. You would need to get a hole stated first for the blade to go through.
thanks piston slap!!!! I just finished this video on my bike , and wow the cats was a pain in the @$$, but wow is sounds soooo much better than factory 👍👍👍
Yeah! It brings out the sound! The cats are a pain in the butt to get out! I think its worth it in the end.
Piston Slap yes I agree , but I'm (like you) I'm very mechanically inclined , I could of figured it out , BUT your video helped me into NO stopping and looking for the directions , so thanks for that , also its a shame the audio doesn't give the FULL sound as it does in person , but I'm really happy I went with Graves , AWESOME SOUND, tbh to me sounds a lot closer to a liter bike now 👍👍
might just be the extra 37 ccs😃
Yeah, When I was on the track It's was close to the sound of a 1000, other than the cross-plane R1. I like the grave exhaust for how short and light it was. I also rode solo so I removed the passenger pegs and brackets for the stock exhaust. Less weight more acceleration!
Piston slap do you know the best cell phone mount to get for our 2015 kawasaki zx6r 636 . I'm looking and I cannot find the best 1 for that bike ???? Any response appreciated , but I found a ram mount that bolts to the gas fill cap bolts , it seems perfect but no phone mount comes with it
piston slap i have 06 zx14 with a 08 zx14 header which that year has the cats inside header, ive driven bike 1000miles like this since old owner had just exhaust tips on header only so yeh it was loud... well i found a vance and hines cs1 exhaust or slipon and i gutted my cats in header- since i gut them im not driving it like that since its loud and i dont wanna mess it up neither. should i feel a difference in power considering i never had mufflers since ive had it and i gut the cat? the 06 zx14 didnt have cats in header but if not mistaken it had them in mufflers so i should be okay but i am considering a powercommander but what u think? the secondary butterflys are gone to from previous owner
Danger Davefpv removing that cats shouldn't hurt the engine. They only help clean up the exhaust gasses for emissions.
Piston Slap thank u pistonslap
Hi pistonslap when you received the graves slip-on was a noise insert to reduce db included in the pack too?
I bought mine from a guy used. Graves motorsports would have that information for you..
Thanks for the video. But I have a question why u removed the circular things in the exhaust system I don’t know what’s call ?
The little foil looking circular things are called catalytic converters. They are a minor restriction in the exhaust. For maximum performance you wpuld want them removed.
Piston Slap what do you mean by performance ? Do u mean more horse power or more louder? And sorry for the annoying questions
@@ray_d8536 No, ask away on questions. Louder is not always faster/more powerful. What I mean is that that catalytic converter or "cat" as most people will call it will restrict the flow of exhaust a little. For instance, you may be wearing a face mask due to the current situation. While it is a little restrictive during normal breathing say you started running for your life with that mask on. It would be a lot more restrictive due to the amount of air you need to breathe. The same idea applies to the "cat" in your motorcycle. During normal riding, you would never notice a thing, but during a full wide open pull you could pick up a tiny bit more power because the engine is able to get the exhaust out easier. You may not feel it but could see it on a dyno. The engine is louder, is a side effect of the "cat" being removed because it acts as a muffler so to speak in the same instance.
How can I find out exactly where the cat is located on any given bike? Especially a new model where they don’t have a full exhaust for yet. Thanks for the video
The only way I van think of is physically take the exhaust system apart and look in it. If you have access to a borescope you could slide the pipe apart and slide it in to take a look. Most catalytic converters that I have seen seemed to be underneath the bike at the bend to the first slip on pipe
Piston Slap borescope. Great idea! I’m looking at picking up a Tenere 700 when they’re available in the states and want to do a proper tune to free up what EU5 takes away from performance. Thanks for the idea
@@PennsylvaniaDualSport Hey, the cat is in the header's again for the new model. You can follow this video 😉
Hey, how did the bike feel after you flashed the ECU? Did you flash first then exhaust or was it all at the same time? I'm still debating which exhaust I should get, I like your Graves and I dig it too. Is it loud or quiet with and without baffles? I want to flash my ECU first with the stock setup because I like how quiet it is but don't really like the big bulky stock exhaust.
Chris it's not real quite. I believe the M3 exhaust is a bit louder. I have never used the little l
Silencer that we with it. I put the exhaust on first then rode it to the tuners place. It popped and was a bit twitchy on the gas. The tune seemed to smooth it out. I have a video of how this exhauste system sounds under different loads and speeds
Did the Graves slip on come with a baffle? Revzilla wasn't very helpful I want it to be kinda quiet
Chris the insert is sold separately. I went onto graves Web site to find it for 34.99. The product details for the slip on say it is sold separately. The slip on with out the insert is 106.5 db. With the insert 103 db @ 5000 rpm
Loved the video, I had a question tho, is removing the cat significant for sound, I have the graves slip on and I’m wondering will it backfire more or just get louder, I love exhausts but I know nothing about cats
It will get louder and the popping back will also increase. You can install drivin clean air block off plates to reduce it a bit but it's going to pop back. You might be able to get a better idea if you search my channel for the track day sessions I did
Thank you 🙏🏻 will do
Have far is the cat in there?
if you go to about 10:05 in the video the diagram shows about 3 inches to the first one. the second one is right behind it.
Great video man! i see that you reply to comments quite frequently, so i thought id ask you a question. I have been looking at getting this pipe, not for sure on what i want yet. but does it seem like the "graves" sticker on the side is removable? Thats probably the only thing holding me back from this pipe. look a little guady to my, but the pipe it slef looks great.
I just looked at the it. It looks like you could peel the sticker off. I'll post a picture to my Piston Slap Facebook if you want to see a up close picture.
Thats awesome! ill go take a look at it!
Brody Dent cool the picture is up and posted. hope that helps ya with your decision. Also thank you for watching!
Couple of questions. Is this the process for every slip on? & Do you have to get rid of the cats or just a recommendation?
HyenDryGG the process is similar for most bike. Depending on the manufacturer. The cat is optional. It will be louder without the cat. But it will allow the exhaust to flow more. I personally wanted the most performance from it so I removed it.
Don't you have to use a fuel power commander to increase fuel flow to eliminate a lean conditions
Its very minimal with the tune on this bike. I had it on the dyno and it was a tad on the rich side so a little leaner would not hurt it. I did have a flash put into the ecm. If was free to download from graves. It looked like they added a little ignition timing and small fuel adjustments. You can put the slip on, on and not install a tune (that's what I told from graves)
I would like to see the gutted cat after you knocked all that honeycomb out. Is the inner wall smooth now? Or are there remnants of the edges of the honeycomb donuts? I have a 2019 ZX-6R and would like to retain the stock header if it flows about as good as an aftermarket header. Thanks in advance!
its smooth. If your looking to squeeze ever once of power out a header would be the choice but for the every day rider I feel the gutted head pipe is the better alternative.
@@PistonSlap Thanks for the quick reply. I am an ex-racer (AMA superbike in '90s) and really just want to use the bike for street and the occasional track day. I plan to get a pipe and have it remapped at 2WDW. The stock header looks like it is 95% there, as far as flow, if I add a slip-on. Just the cat removal is needed.My bike will never be used (by me) in a race, so I do not need to extract that last 1-2%. Thanks fo rthe vid! Great work!
I'm debating on removing the cat and replacing it with a mid pipe. Truthfully, was it super difficult to knock the Cat out how you were? It just seems to much more simpler than taking the headers off. (I already have a Two Brothers slip on).
If you can get a air hammer and a long bit then knocking the cat out is cake. Takes a matter of minuets. If you do it the old fashion way with a hammer and a long screw driver it takes 2-3 hours. I would recommend taking the head pipe off, but it is not required.
GcItalianBoy did you ever do anything? Trying to find a mid pipe that will fit my current slip on. Idk if all of them do or not.
So did you pc5 dyno tune the bike? Results?
I haven't had the bike on the dyno yet. But the tune is from graves motorsports.
Piston Slap dude your video with cat removal was very informative. Even I thought the metal box below was the cat.
+Jayden Valentine Thanks! when I first got the bike and for a long time I thought that was a cat as well. When I started looking I to exhaust options I fou d out it was jut another muffler.
Piston Slap any idea what the use of the second muffler is?
I think its to keep the bike quiet. I believe there is a 88 decibel limit the manufactures have to meet.
Do you have to install a power commander, filters , etc when you do this ?
No. I added all the other stuff to help smooth it out.
Hi pistonslap ive got a 2015 zx636 and I want to install a akroprovic slip on and remove the baffle box and replace it with a straight through de-cat pipe,if I just disconnect cables and remove them from servo and leave servo in place under seat I shouldn't have to have a tune up or worry about any lights coming up is that right? Cheers
You are correct with leaving the servo on the bike and removing the cables. You wont have a light. The cat on your bike is in the head pipe. The pipe you are getting is to take up the space from the head pipe to the slip on. Thanks for watching.
@@PistonSlap thankyou for quick reply I'll crack on and order it cheers
I have the same bike. I’ve seen the servo on my bike BUT I bought the bike with a shorty exhaust so I’m not even sure if the servo is still hooked up. Also I’m sure my cats are still in. Should I leave the bike how it is until I can get the ecu flashed or could I go ahead and remove all that stuff and flash the ecu about a week or 2 from today?
If you look near your right foot peg there would be two cables attached to the exhaust if it was hooked up. Most guys just remove the cables and leave the servo plugged in to prevent a check engine light. Removing the cat will not set a check engine light. Im not sure of the bike you have as far as what country your in. The euro models cam with a o2 sensor. If that is your case it might trip a light for that. It would not hurt it to run with the check engine light on for a couple weeks if ypu decided to unplug the servo box.
What are you doing that requires you to remove the cat and not just install the muffler for looks? I have a 600 and it has plenty of power but I wouldn’t mind it sounding better.
Ralph Spencer removing the cat will add a increase in flow and sound. It's not much more power but it's a easy one. Similar to putting a rece header on without the expense.
what year is your bike
2013
great job my friend.
i learn alot from your vidz.
thank you.
(already subscribed)
Good to here it helps. Thanks for the sub!
Hello man and thanks for the video....
I have a question please and I hope you would help.
I have a 2016 Ninja1000sx, it has no servo but the back chamber and the cat are may be the same like yours.
I've got Akra megaphones slip on on both sides but they don't sound as loud neither as deep.
I'm thinking of removing the cat and the back chamber but I was wondering if the performance would be affected!! What about the O2 sensors, ECU, F1 and resting rpm? What is the best way to fix the above issues after I do that?
Thanks
yazan talab I would jave the ECU flashed to delete the o2. by removing the cat ypu will loose a tiny bit of low end torque but the tune will make up the difference on the higher end of rpm scale. if you have access to a cutom tuner that is the best route for tuning.
yazan talab forgot to add that the rpm shouldn't be affected..the ecm will control the idle.
you didn't need to flash the ecu for the servo motor. fueling?...yes! but the servo motor all you need is the servo eliminator plug that prevents that. Heal Tech makes one and it's been amazing on my bike.
The servo would need the ECU flashed or you can buy a servo eliminator like you had said. With all the changes I had done the Fuel mapping was free from Graves Motorsports. I paid a buddy of mine to flash their tune in. You are correct I didn't need to do that but it smooth's the power out a bit. Thanks for the comment.
I have m4 gp slip on on my 2014 zx6r and I am wanting to add a mid pipe to it. Do you know if all mid pipes fit the slip on exhaust, or will I have to get a whole new exhaust? I don’t want to gut the cat like you did, don’t really trust myself to do it. Would rather buy a mid pipe, but don’t know what to buy to fit my current slip on. Please help me
I'm not sure what to say. The cat is part of the head pipe. I don't believe there is a mid pipe unless you buy a aftermarket header. Danmoto I belive is the manufacture. With other exhaust systems im not sure of like size or location. I wanted the muffler/slip on as close as possible.
Okay thank you man, I may just gut the cut eventually. What do you think the best way to do it is? Don’t want to risk damaging anything ya know?
@@Edjucated_ the best way is to remove the head like from the engine. That way you don't risk ruining the seals or head. A long punch or drill bit with a some elbow grease will work for you.
Catalytic converter is there to convert harmful gas. What's the purpose of removing it, to make it louder? Anyone did a before/after cat with significant difference in the sound?
Khoa Vo the catalytic converter is there to basicly clean up the exhaust gasses that come out of the engine. When the gasses go threw the "cat" there is a chemical reaction that takes place to make the exhaust gasses less harmful to the environment. Removing it will increase flow through the exhaust, which will increase performance. There are side effects. Yes it will be louder. You will loose a tiny bit of bottom end torque but gain more HP on the mid to top side of the power band.
Thanks for the reply. I'll leave it intact :D
Questions for yall as my bike is slightly different (gutted cats, stock pre muffler, m4 muffler after that) thoughts on re tune. What creates more back pressure. Pre muffler of cats? Also stock air intake. Thanks in advance
I would think the cat would create more back pressure than the muffler. Also yes the air box is stock with a k&n air filter
@@PistonSlap I'm playing it safe and ordered a PC6 so I can re-tune it with a "full exhaust stock intake" tune which should be good. Did you end up tuning? If so what did you go with. Thanks g
@@Hello_Apee I did. I got my tune from graves motorsports and had a bide flash the ecu. That way I didnt have to add more stuff to the bike.
@@PistonSlap Awesome Thanks for the support! Mines done works great
Hey if i don't eliminate the cat, do I need a tune or install block off plates? What does that even do? Thanks!
The block off plates will reduce the popping through the exhaust on decell. There are a few ways when doing the block off plates to keep the Check engine light from turning on and setting a code. 1st is leaving the valve plugged into the harness, 2nd there might be a dohicky that plugs into the harness to mimic the valve. or Flash/programme the ECM to eliminate that code and disable the valve.
All the valves are for is to put clean air into the exhaust to help dilute the gases for emissions. Hope that helps, if ya have any questions let me know.
Piston Slap Awesome! But this is a hectic process... What if I don't install block off plates? Will the popping sound cause any kind of power loss or engine damage? I mean I'm not gutting the cat, why would there be popping sound?
No damage or anything just pops....alot when you let off. Sometimes it sounds cool, other times its annoying. When I was at the racetrack going into the corner on decell with all the tune and plates installed the spectators would say my bike would pop quite loud...then again thats up around 14-16k rpm. I dont normaly ride like that on the street.
Piston Slap Hmm... so no power loss down the lower RPMs or any abruptness while deceleration? I mean I'm not gutting the cat after all!! And I would be purchasing the graves sound insert as well. I'll not be doing an ECU flash. That's my last question. Pls reply
hey man I'm about to get mine tuned and I am considering gutting the cat on my 2015 636
did it sound alot louder without the cat
Yes is will be louder. The cats will restrict the sound and flow. I have a sound video that I had put up so you can here what is sounds like on all types of riding from the streets to the track. If your having it tuned you will want the cat removed to get a accurate air fuel reading. Unless they are using a O2 sensor before the cat.
+Piston Slap oh okay so it's best to gut it before I get the tune?
I have same bike as u just the 15 aniversary so it's like identical process as u took I just really don't want it to be much louder than it is this graves is loud
on long rides does it hurt your ears or no because mine now doesnt
+Nick 636n8r (stuntn24-7) the graves is loud and on a long ride 150+ I would recommend eat plugs or ear buds with music. I don't have a desire meter so I can't say how loud it is. I have been told by others that it isn't as loud as a M4. If you don't want to gut the cat you could flash the tune from graves in it. If you flashed the tune from graves in your ecu and left the cats it would run a little rich.
+Piston Slap oh ok cool yea I'm taking it to a proven power in Tampa to get it on the dyno flashed and tuned by them
+Nick 636n8r (stuntn24-7) nice. depending on the tune software they use. They might be able to add a quick shifter also. they are a lot of fun and if you ever go to a track it make it that much more fun.
So, if I take off the pre-chamber, my bike will be louder? I bought an Akrapovic exhaust. I love the aesthetics but it's still too quiet for me. Seems fairly simple. I don't think I'm going to mess with the cat yet though lol.
If you deleted the butterfly valve it might get a tiny bit louder at lower rpm. The butterfly is in that pre chamber
Piston Slap thanks man, I tried getting it off and I failed to realize I was going to run into the same problem you did. (The tight space) what tools did you use for reaching those? I’m going to order it on amazon for the weekend. Seems fairly quick though.
@@itsjustjonnoh I used a long screwdriver and a medium sized pry bar for the deeper one. I pined Pauls comment he posted a few size drill bits that he said worked better.
Piston Slap cool. So, deleting the butterfly valve and a servo delete would probably get me to a decently louder sound. I appreciate the help man!
If I remove the cat I need to do a ECU flash?
Thierry no. It's not needed but helps
Piston Slap any exhaust flame after decat?
Thierry I don't believe so. I never really looked at my exhaust while riding hard.
The backfires still after decat?
Thierry it dose pop. I installed block off plates from driven. It supposedly helps with the popping. Using a shorter exhaust made it do that, where as the stock muffler would quiet it down a lot.
Have you added block off plates or seen the need to??
Carlton Holbert I did put a set of driven block off plates. It said that it will help reduce the popping through the exhaust. It seemed a little less after I put them on.
My 09 zx6r is the same exact way. This winter i'm gonna attempt to drill my cat out. i had my bike on the dyno multiple times already so i'm curious on how much power might be gained from it the next time when i dyno it.
I still haven't made it back to the dyno shop since doing all the work last winter. Its been a busy summer with riding and work. Hopefully next year I will have time. I wonder how much power you will pick up when you remove the cat?
The place i bought my bike from has monthly events where they bring in a dyno trailer so i've been spoiled a little bit by it. I just replaced my two brothers pipe with a Jardine gp1 so I'm hoping that with the cat removed and the new pipe i can gain 2 or 3hp
Corey Thaemert are you tuning the bike?
Next summer I'm going to, maybe I'll get my low end power back after a tune
While removing the cat running without ecu map won't it harm engine and run lean
No. The factory tune is rich enough that it will not lean it out to the point of damage.
@@PistonSlap for all exhaust? In 10r
@@parthasarathy5450 not sure on the 10r. I can say yes on the 2013-2018 zx6r
plan to do it next week. thanks for the tip
Awesome! I think I'll mount the camera so I can see it
How do you flash the ecu? Thanks!
Khoa Vo I have a t
guy here that specializes in tuning sport bike computers. I have a video that shows what I did. But basically I installed a connector into the ECM harness and he hooks his computer to the bike and programs it with a tune. I got the tune file from graves motorsports
Would this be somewhat similar to the 06 model?
Some of it would be close. I dont know about the actuator for the exhaust system.
Piston Slap this shit seems too complicated lol. I’m most likely just gonna leave it in :(
I want to remove my Cat on my CBR but i was wondering if removing the Cat, will it make it street illegal? I live here in Texas and i seriously dont want it to fail inspection in the near future.
duy tran I wouldnt know. I would contact some of the local sport bike groups and see what they have done. I don't have anything like that here we just insure them and register them.
Removing the catalytic converter will not fail your inspection here in Texas. I live in Houston and I have no problem. What they are looking for in inspections are different from car inspections. All they check is if your signal lights work, your horn, your lights and if your tires are good. They don't hook up your motorcycle to a machine like they do cars.
Thanks for helping him out! Here in Idaho, we have no inspections at all.
Is it the same thing for a 2020?
Im not sure i haven't seen one yet
Was the 2nd cat donut thing easier to get out?
It was about as hard if not a bit harder because it was farther in the hole
took me 2 days to get the first one out, any tips? Don’t think I’m gonna start drilling from the middle again
@@tommy_s550 If you can get a long enough punch or screw-driver in there you can beat it out. Some of the guys had mentioned using a long drill bit also
here is a comment that I pinned a while ago,
Pinned by Piston Slap
Paul
9 months ago
Great video. To anyone watching this vid now, consider using a drill with a long, metal bit. We used about a 5" bit for the first piece of the cat and a 12" 3/8 bit for the second one. Still takes a while and some elbow grease but not too bad, and I'm sure it stresses the bike a lot less than a hammer and chisel/pry bar. Also, you will need a powered plug-in drill. We tried a battery powered one and it was nowhere near strong enough.
Awesome thanx man
why did you tap it out instead of drill it out?
Daniels Schmidt I didn't have a drill bit that long. Also kind of soft and rolled up. So a drill would only put a hole in it. I suppose if you drilled it a lot you would be able to get it out.
understandable... and concerns about debris going up into the engine? Seems pretty hard for it to work its way up there but a co worker brought that to my attention. Thanks for the reply
Daniels Schmidt it is posible for debris to get up there but I fired the engine every once in a while as parts came out. When I was done I just have it a little rev about 5-6000 rpm. To blow out anything before I put the slip on back on. It's going to be really loud.
any exhaust flames after d-cat?
I haven't looked. I'd like to do a night ride but it's been 30 mph winds and raining last couple of days.
+Allan Ming full exhaust to that a lot
what about a 2009 ZX10R???
I do t have any information on the ZX10-R. it would most likely be a similar design.
I have a 08 and it’s 2 on each side I just got one out so far. The second one on the right side is a b**** because of how the header is shaped.
when you make this video put that gass until 14 rpm one time .....ncncncncnc i didn't hear the voice exchaust ....
I think this my be what your looking for ua-cam.com/video/PmrbgBL8o-4/v-deo.html
Everybody's got an opinion about what to do and what not to do on their bikes only real tuners know what's going on so all you form readers keep reading you're still not a tuner
I wish we had a custom tuner here at the time I was doing this the bike would have probably been a touch smoother and a little more power vs the canned tune. I sure do miss this bike.
HAHA! i did the same shit with my cat , i smashed it out , it was a mess cause my mate thought he could just drill it out , took us 2 days to get the right tools to final get every bit of it out!
Lol yeah. The cats are a bit of a pain to remove.