Drill out DB killer?

Hello, I'm not a fan of being unnecessarily loud on the road, but enjoying a legal sound on the racetrack is fine.. πŸ™‚ Up until now, I've always had db killers that you could remove from the factory with a screw. However, my new Mivv exhaust is riveted, so my question is: is it a…

DB Killer rattles?

Hey, the DB killer on my Arrow exhaust on my Yamaha WR 125 is rattling. It's attached with a snap ring, but it doesn't quite hold the DB killer in place because there's a small gap between the DB killer and the snap ring. I can't push it any closer to the DB killer because…

Motorcycle still complies with operating instructions without DB killer?

I ride a 1996 Hyosung GA 125, and after a long time, I finally removed the DB killer because it was way too quiet for me. When I looked at the owner's manual, it said: 90 decibels when stationary and 77 decibels when cruising. So I downloaded a measurement app for my smartphone, which showed…