Harley 131ci Exhaust Dyno! 2-1 vs 2-2 (Pt. 05)
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- Опубліковано 16 жов 2024
- Does a 2-1 exhaust perform better than a 2-2 on the Harley 131ci Stage 4 engine? In Part 05, we dyno the bike with the new 2-1 TBR Shorty Turnout to see what kind of numbers we get!
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BEFORE WATCHING: What do y'all think, will the 2-1 put down better numbers than the 2-2? Drop your guesses, how much hp and tq we gained and / or lost, comment below!
I definitely think the 2-1 will put out better numbers. Not sure how much of a boost you'll get, but it'll perform better than the Sweepers. Still though. The Sweepers looked kick-ass!
BLOCKHEAD I’m gonna say 131 HP, cuz that would be ironic
better for suree...we shall see
Can’t wait to see a different cam
Makes me want a 2-1 on my bike. 🤙🏼
Loving this 131 series man
Happy to hear it! 👍🏼
Fascinating stuff Blockhead! I really enjoy Chris’ part in this too, really insightful but without the BS. Can’t wait for the next episode guys
Lmaoooo! The shadetree segment with screamin eagle combo breaker from Killer Instinct was great- I love shadetree/blockhead collabs 👍🏽👍🏽👍🏽😎⚡️ more please!!!
Don't mind the haters and negative comments man, do your thing, not many people take the time and money it takes to do and show everything you are one step at a time and it is quite incredible, love you for that block!
Appreciate the support! 👊🏼
I just got my bike back with the new 131 kit on my 2018 Heritage. i have the S&S 2 into 1 with the racing muffler. i did got with a new cluthc also. i had to replace my stock air cleaner with and went with the screaming eagle extreme. they dont want to dyno it until i have over 500 miles on it. they put a 131 map from harley screaming eagle and used my existing screaming eagle tuner. when i take it in they will use the power vision to tune and dyno it. will be interesting. this is really good to see for sure. glad i went with the 2 into 1.
I’ll echo many of the other comments. Chris is a wealth of knowledge and I really enjoy his part in all of the upgrades videos. Keep up the good work! 🤘🏻
I’ve always been told a 2 into 1 pipe is the way to go for hp/tq numbers. Interesting to see the numbers and the difference. Great informative vid Block!
I put on the Bassani Road rage three, very similar results! I love this series, Chris is a great addition!
Street legal in California. Lol nothings “street legal” there 😂
Amen to that hahah cali boys!!
Cali rider here and you're exactly right!
@Nightingale you can't outrun the radio or the helicopter.
@Nightingale "the fact that lane splitting is legal means I can do something illegal" yeah, you'd get caught.
And california just approved outlawing gasoline dirt bikes. Have fun with your electric dirt bikes.
Thanks for reflecting on sitting vs. standing during the Dyno... my feeling is that I'm making power on the streets sitting on the thing, so that's how I'd Dyno it. At the end of the day though, if it's your bike, do what you like, even if that involves eagle-added horsepower or Prince in a blouse hahah. Keep up the good work brother. You too, Chris
thanks for doing this series blockhead
A big thanks to you Blockhead for showing us the difference between pipes I am really enjoying the build and can't wait to see more :) thanks again.
So, I'm thinking a 10-15 hp gain and a 5 tq gain. Very excited to see
Bro this series is amazing, cant wait for the next video about it.
Love the looks and nice gains on the TBR exhaust! As for if it's street legal in Cali I can't say for sure but what I can say after talking to the dealers and other riders out here is it's really not enforced so either way you would probably be fine.
Great stuff block! Good to see all this behind the scenes stuff. Makes it more clear to what goes on. 👍🏾
You guys have taught me so much about Harley Davidsons!!
Loving this 131 mini series. Appreciate all the gems that are dropped. Thanks for the great content 🤙
Been binge watching this. Good choice on the TBR exhaust, Brother. Got a black one on my 114 Fat Boy.
2 to 1 allows the scavenger effect to clear the exhaust from the cylinders. 2 to 2 each cylinder has to force the exhaust out on its own.
this is what I was curious about wouldnt 2-1 have more of a scavenging effect rather than increasing back pressure
I'm in love with this bike. It's mean, aggressive, loud but not obnoxious. I'm looking at getting one.
I’ve always felt that when I put a 2-1 pipe on my bikes they sort of woke things up. Never put them on a dyno but looks like the proof is there. Still dig the sound of the duals better, especially on Block’s bike but the gains were worth the swap. Great video series!
On my 19 RGS with the 131, Harley tuner, D&D 2-1 Billet Cat With the Big Bore baffle I made 139 TQ 134 HP tuned at Mile High Harley Parker, CO. Can't wait to use a different Cam and tuner for my Beast.
EPA tunes have to run the bike leaner to increase the heat so that catalytic converters are hot enough to cause the platinum and other catalytic material to react with the exhaust gases to just get CO2 and H2O. Those tunes also try to mitigate emissions of NO(x) and SO(x). In doing so the lean nature of the tunes cause a decrease in power.
Meathed_Moto factory is tuned to run stoichimetric 14.6 air fuel ratio. if you run too lean with a high AFR your bike will run like a bat out of hell but you are running the risk of damaging your valves and pistons with explosive energy. my tuner set my bike somewhere in the high 13’s. Also- you can’t go that far low with a Harley screamin eagle tuner- better to use a powerVision.
@@shano81 yes all that afr table reading entale to meeting epa guidelines which makes it so it meets the emission level that i mentioned above.
My honda eats 10.5:1 under boost lol.
I love 2 into1 exhaust on harleys. I know I'm in the minority there but, I think they look and sound amazing and, the performance improvement is a bonus. I'm still working on my dyna, I swear I'll get it on the road for 2021. Well if I ever get the money to finish it that is. Love the build series Blockhead. It's very informative and entertaining. Keep it up.
These videos are amazingly insightful! I really do appreciate them!
10% peek HP gain is monstrous. I wonder if it improves low do down riding also . i.e. across the entire rev range. If so the hp gains are astronomical.
pair this exhaust with a cam and intake you are adding 20 hp minimum
I appreciate all of these videos. I’ve put about 1500 miles on my 131 build in the last 3 weeks, and I’m on the fence if the thunder max is worth the upgrade. Definitely going to look into a 2-1 though.
I am not for or against any particular aftermarket tuner but I can guarantee you will be off the fence in you put powervision thundermax tts on your bike and you have a reputable tuner. If you caught where Chris said he will be able to tune the drop you get with the 2into1 early on especially a short 2into1. The adjustments are endless and get you running optimal and get the most power out of the bike. After all you spent good money why leave HP and TQ on the table
Joe Sainato solely for the warranty. I wouldn’t flush it down the drain for 5hp.
Rj Hembrick I totally understand. I am going to say you are going to see far more than 5 horse. If you change your exhaust as he did with either one your warranty is technically void. In baggers cat is in head pipe so you can use slip on and be ok and I believe on softails the cat is in muffler so warranty voided. Of course it depends on how well dealer will work with you. So if you think about it he got 128/131 with 2into1 and se tuner which is above the 117 with other pipes. I’m not sure what stock exhaust would do but not close to the 2into1. You have to buy tuner. SE $299. Powervision license $199 plus charge for putting in which is a minimal charge. I can guarantee you that 2into1 with powervision vs SE tuner with warranty compliant exhaust is much closer to 20horse and 10ft pounds which are huge gains. Like I said I understand warranty but there is an enormous difference in epa compliant parts and aftermarket parts
Joe Sainato right now it has tab slip ons and Harley auto tuner, makes 123/129. I’m happy with it, but I’m curious on what is left on the table.
I love these videos. Keep it up man. I want a 131 so bad!
Don't worry about the numbers long as it makes you smile its all good
It only makes sense to get the numbers while sitting on it. IMO because you can’t ride without being on the bike right?🤙🏼
Crewchief2 and everyone isn’t caning the engine to redline in every gear every day. I’d love to see a video of someone tuning a bike for beautiful street performance that will be ample at normal low and midrange revs where 99.9% of us sit every single day.
Stefano Musica
That’s what the tuning is for. Getting it where you like it.
Crewchief2 it is. But it seems everyone is just looking for max HP and torque, but seldom considering at what revs. I don’t want 100HP at 5000RPM. I want it at 3000RPM. Rarely if at all, see videos like that.
Stefano Musica
Yeah I understand what you’re saying. I rarely ever rev my bike to the max. Had a Vrod and it didn’t start making power till 5500-6k and I rarely got up into those rpms. Every now and then I’ll get into it a little bit but not often.
No shit guys... lol y'all just enjoy lol.
Sick! Now I know what to put on the sporty, thanks Blockhead!
Even stock engine a 2-1 system will boost it. Turned my 107 into a hammer punch on the throttle. My strait 2-2 had no low end, rpms felt like a uphill plus they were just ear rattling loud. The tbr just makes it sound like it’s ready to race.
I just got back from attending the V-Twin Visionary tour in the Smoky Mtn. Went on a ride with a group and ended up with Rusty, owner of D&D Exhaust, on the ride as well. During lunch we were talking the big bore kits since I just had the HD 128 installed and I mentioned your videos about the build and exhaust, tuners, etc. Ya'll need to reach out to him to get his ideas about it. He is a cool guy, a no-nonsense, no-BS kind of guy and will give you his thoughts about the setups to get the most performance. ( And the dude can ride too ).
Also, if you want a great riding experience in the Smokies, just contact the Smoky Mtn Harley Davidson about riding in the Smokies. They will help with lodging, attractions to visit, roads to ride, all bikes are welcome and the best part guided rides whether solo or group, it's all FREE. Highly recommend the guided rides because these guys know all the roads in the area. Just tell them what you want to experience and they can help you. For example, you want to ride the Dragon, they will set that up but will take you on many AWESOME backroads to get there and back. You don't have to worry about navigating just follow and enjoy. Warning: Some of these back roads rides can get very technical in riding skill ability. You need to be proficient in slow speed maneuvers (especially with turning), practice with friction zone, counter steering, familiar with group riding and stopping/starting uphill and downhill. Think Blockhead and crew need to plan a few days vacation in the area to do this and film it.
MojoMan Murph the V-Twin Visionary Tour was a blast! I also got the chance to speak with Rusty from D&D, he said the best overall pipe for the M8 Softails in his opinion was the FatCat for torque performance. It was really cool speaking with all the builders and reps because they were very down to earth and passionate about their craft. Plenty of knowledge and experience out there from those guys!
I didn’t know exhaust would make that big of a difference
Great learning content and keeping it fun. Always a trip when Shade shows up. SICKWIDEGLIDE is a 👍 well seasoned tech and a pleasure to have on your project. Hats off to TBR RACING. All THIS reminds this old man of the 2-1THUNDERHEADER days. Looking forward for next step!
The Vance&Hines 2into1 pro pipe will give you better numbers and start out higher in the tq and have a flatter curve you will like it better than what you have now I ganrantee it on my 127cid I was amazed at the difference I'm sure that your 131 will appreciate it also 😊
You got me guys. Looking to make major gains out my 21 SGS this winter. V&H 2 into 2 slash cuts getting thrown out! Or sold. Wish I waited
Been waiting for this!
Thanks Block, I learned today
He needs his own channel 👍
This is the comparison I'm looking for! Yeah bit of pieces to enhance power. Gradual is the word. Kudos
Solid. Gatta appreciate the open line to Josh to compare and get pretty much the same results. That’s always a good number going one for one ci to hp. I would say that’s your base now.
Just add a leaf blower to it now and go back to the 2 to 2’s 🤣.
Good call on the ThunderMax! Best ECU on the market hands down. Had a V&H Fuelpak on my 16 Dyna, worked well but, for anything past a stage 1, the ThunderMax is it.
If you own or have owned a Power Vision, curious how the ThunderMax is better. If you have not, that's a question for anybody else who sees this comment who has owned both. If you (anyone reading this, not necessarily Jose Valencia) have only owned one and read about or heard about the other, no need to respond, we can all read stuff. :) Though of course, it's a free country, so respond anyway if you like.
I love videos like this one. Well done man
Nice increase in hp , be good when tuner goes on
Enjoying these educational vloggs
I have a TBR 2-1 comp going on my street bob hopefully next week and can’t wait to hear my bike purring
Thank you for answering my exact question. Very cool!
this guy has a great radio voice!
Love your videos, I really wish someone would recommended you a D&D 2/1 with big bore baffle and a better cam with the Harley 131ci kit. You would of been well over 150tq numbers.
I got 130tq with just a cam a with 113ci using the D&D billet cat
my 127cid with 2into1 Vance &Hines pro pipe makes 150tq & 145hp and is a daily rider and alot of fun 😊
Please in the next video overlay the Dyno charts so we can see the differences at specific areas on the graph. For most of us its about all areas of torque or area under the curve. For example when you say trading numbers its important to see where the loss is and how long before catch up etc. You guys are doing a great job. My comments are because I’m visual. It’s easier to look at before and after graphs together and see where the gains and losses are. The peak numbers are not really important except when a beer is in hand lol.
interesting stuff guyz. good work
I learned something. I've always heard anecdotally that 2-2 is terrible for tuning and sub-optimal for performance and that 2-1 is better, but it was always in the same realm as all the other anecdotal bs we all hear. It's cool to actually get that validated.
That doesn't actually validate it though. That was just comparing peak to peak with a shit exhaust vs a good exhaust. It deals more with pipe design rather than layout. Remember, shadetrees bike makes more power with a 2-2. Tbh, peak isn't even what should be looked at. Having a smooth torque and power curve matters much more than peak power. On my sportster with a built motor there is actually a set of slip ons that perform better in the low to midrange than a majority of 2-1 exhaust. It even performs better than some on the top end too.
Great vid as always... Learned a ton :) A side note... You must have heard this a bunch of times... you look a lot like James Hetfield!! Rock on
That seat looks really comfy.
Blockhead+shadetree+dashboard confessional= what? 😂😂😂
Brothers 2-1 the best , on my 2020 Breakout with the 475C S&S Cam
Nice set up what Dyno numbers you pulling up ?
Looks so much better with 2 to 1 imo
Love the love with Shadetree Surgeon
It is the 2:1 @block but you have to consider how much break in has occurred... The friction losses must be in play here too no?
@shadetreesurgeon not having his voice mailbox setup it the most Shadetree Surgeon thing ever
Cool Vid! Harley has your VIN flagged. 😉😉😉
I like the part were he said they'll tune out the reversion(dip in the graph). Reversion can not be tuned out. The only way you can get rid of reversion is to get a better pipe
Not true, and we show this in a future episode.
Guess you know nothing about tuning.
I feel so vindicated sitting in this tent right meow in Ohio!!! Lol 2 to 1 all day brothers!!!!!
By putting this full set of pipes on what does it do to your Warranty 🤷♂️🤷♂️
I‘ve heard so many Different Stories.
Give It To Me Straight 👍👍👍 Thanks
Pretty sure its up to your specific dealer but I'm not familiar with HD warranty. Just ask your dealer what they think about it and get it in writing. But also if you put a pipe on your bike they can't void the entire bikes warranty just the engine/trans warranty. They have to show proof that a mod contributed to breaking something. Look up the Magnuson Moss act for more info.
Chridfer thanks for the info.
Always watch you Guys.
Keep em Coming.
Ride Safe. 👍🇺🇸🇺🇸🇺🇸
Best series you've done, keep it up bro!
Agreed!!! 😃
the main thing about a bike is its not the numbers its staying on your bike and not killing yourself😂
10% is a good amount. now a lot are saying equal length well what about a 2-2 equal length.. personally I would look at not peak but the normal rev range so the 1500 to the 3500.. not to 4500 or 5k.. see where that is.. if those values are still 10% off all around then maybe just maybe find a 2 - 1 that you like the looks and sound with.. but again the 2 - 2 pipes look better and to me sound better. also finding the 2-2 pipes that were meant for that cc.. well lovin this indepth go through of what to expect after each mod and what to look for if going for absolute peak performance vs just some performance and some looks.. cheers
2021 fatboy with stage 4 and Vance and Hines 2-2 big radius. Produced 129.9hp and 149.7tq
I AM VINDICATED!!!
Dynos are NOT calibrated to a unit of standard weights and measures. So different dynos can and do read differently, sometimes very differently. Plus I’d dare to say the addition big counterweights on the softail crank may cost a bit of power over the one counterweight of the touring.
131 horsepower, 131 torque, 131ci. Nice numbers.
Wow. I thought maybe a couple HP. Not over 20! Holy smokes!
It’s not the number but where on the curve. A track bike you want everything top end. Street bike low and mid range!
Tire....you need another rear tire to go along with the other parts. Get two!😆
CYCLE WORLD STREET GLIDE SPECIAL 131. Great Dyno Charts to see how power and torque made vs 114
131 121 horsepower @5600 130 torque @4200
0-60 4.0. Quarter 12.8 @106
114 81 horsepower @4700. 111 torque @2500
0-60 4.8. Quarter 13.6@ 99
Scott Campbell I saw those numbers. My iron 1200 got a 0-60 in 4.1 seconds with a fab28 pipe, intake, and a generic power vision tune.
@@CactusJack252 Your bike and a Street Glide Special are rather different :)
Hello Blockhead Question do you actually feel the difference on the bike 2-1 vs 2-2 or its just the numbers. As you now price between them are different 2-1 is always more expensive option. Is it really worth it to pay that extra ?
With the mods, has any of them been an issue on warranty? I recall from Shadetree's dyno vid he mentions a warranty tune.
Loving sickwideglide, really k ows his shit and is also good on camera, good laugh,
Turnout exhausts can affect scavenging. Should've gone with the TBR comp exhaust and SE heavy breather if you want HP. If you want torque go with a fuller length 2-1 pipe which will give you more back pressure
Hey man! How does this Comp S system compare to lets say the Road Rage 3 system? Will the TBR be louder? Better performing?
Damnit now you got me thinking about switching my pipe. 2011 Dyna street bob 110 with vance and hines big radius 2 into 2 but I rarely use all 106 hp anyway lol!!
Block, the touring version has a header pipe from harley. I wonder if thie r engineering knows something about what works in their engine. Great job though. Lots of fun. Oh, the stock Harley clutch is rated to be 139 to strong. Keep an coming. Balance this tech video with some grom play.
I have d and d 2 into 1 and no dips in curve. I got slightly better peak numbers and a huge gain in the torque curve. Peak tq is now much low in rpm range and sound like god threw a megaphone 📣 my 107 cam tune and 2 into 1 makes 108 hp 116 tq . 5 hrs of tuning at small shop
Do you still get the cool decel purr with the 2-1 that you got with the sweepers? I have the same bike with the 114 and love the decel noises of the 2-2.
Was at the Fresno Cali HD dealership yesterday (10/10/20) and the 131 ci is STILL NOT AVAILABLE. Going to move to AZ!
So same torque for both exhaust types. I love my Harley but some Harley fanboys would always spout bullshit to me about about “torque is all that matters” whenever I brought up other bikes. So are we now saying that’s not true or are we saying it is? Very interesting video though. Would not have expected the HP delta you saw.
I knew you get more horsepower with the new pipe well I was surprised at how much you got . The other pipe look cool but you’re giving up way too much horsepower
Is there a difference between the 2 into 1 and the 2 into 1 into 2?
Are the tbr turnout louder than the big radius pipes also do they sound better hard to tell from video I have the 131 with the 590 cam aswell
Definitely going stage iv on my fat bob here in California 😎
Do you think the change in air filter has done anything? Any difference from the stock one?
Nice video, very entertaining 👍
You been running an aftermarket intake and “full exhaust” (vs slip ons) without a tuner? I know the internet says that’s a no-no, but have you had any adverse side affects from it being that way?
I have a ‘17 Ultra Limited with slip ons, and want to do intake and new head pipes but if I could get away with waiting and not doing the tuner at the same time that’d be great
Hopefully you have upgraded brakes already for my peace of mind this is actually entertaining watching the progress of this bike peeps might wonder why you need the extra horsepower my opinion is if you can handle it more the better so u can pull away from the dangers of bad driver's
Hey man I have 2021 low rider s that I am putting 131 kit on. Currently I have Vance and Hines short shots on. How did the bike feel after going into a 2 into 1? Was it a huge difference?
Just did this same build, got 140 hp 141 torque
I’m looking to go to a 2 into 1 to complete my motor build and get the most out of my build.
Do you think the TBR shown will fit my street glide with extended bags ?
I work at San Jose harley, 131 is not street legal yet in California.
Does running a baffle help with the 2-1 dip? I'm running a TBR on a Dyna