Sep. quad of the month [Archive]

rooster300ex

10-01-2009, 10:17 AM

What is the purpose of this bottle on the exhaust?

fandl450r

10-01-2009, 10:25 AM

Hey that's my quad!

But it acts as a diffuser, at idle it makes the exhaust much quieter to adhere to AMA sound restriction levels.

rooster300ex

10-01-2009, 11:56 AM

I c

tayyo789

10-05-2009, 07:44 PM

how does it perform off idle?
does it have a valve or something that closes?