Yamaha R1 Forum: YZF-R1 Forums banner

ecu flash

  1. Decat with stock muffler - sound level increase?

    Appearance & Mods
    Hi I have a 2018 R1 that I use only for the race track. The tracks on this side of the pond typically have pretty strict noise limits. I would like to do a decat and ECU flash, but I'm worried how much the cat removal will affect the noise level of my bike. I have an option of going for a...
  2. 2001 ECU Flash?

    General Motorcycle Discussions
    Can I flash my 01 R1