Exhausts 4/1 or 4/2/1 better?
Posted: Tue Feb 11, 2020 10:09 am
Folks,
Checking the pipes for rust the other day and I noticed that one of my Yamahas has a 4/2/1 exhaust configuration, whereas the other two have …login to view the rest of this post
Checking the pipes for rust the other day and I noticed that one of my Yamahas has a 4/2/1 exhaust configuration, whereas the other two have …login to view the rest of this post