2007 BMW K1200S exhaust_.25.

2007 K1200S with a shorty Akropovic replica muffler I got off eBay for $50, with the dB killer removed. Had to take it to a muffler shop to get the inlet opened up (by about 3 mm), so it would slip over the OEM mid-pipe outlet, only cost $5 to get that done. Easily mounted in place of the Leo Vince SBK full-size cf muffler that was on the bike when I bought it. Still figuring out this action camera, I had tape over the microphone, but it's still too windy. Have an external mic on order, will experiment with that once I have it. Being an analog guy in a digital world has its disadvantages!
Fast forward to the .25 second, 7:20 second, and 9:55 second marks to hear the exhaust on throttle. It wails pretty good now, sounds more like a superbike than before. My other bikes are twins, so I'm used to hearing something from the exhaust, this one was too quiet. I wear foam earplugs and a full-face helmet, so the louder exhaust doesn't bother me.