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FMF Q4

Joined Dec 2009
2 Posts | 0+
Has anyone tried the Q4 on the FE 570? For the price it seems to be a better solution for getting a stamped spark arrestor with a quiet exhaust as opposed to the Pro Moto end cap.
 
You are on the right track as far as replacing the can. I tried the PMB and was not happy with the sound level.
I got a Leo Vince from BOSS that works well, comes with 3 different inserts as well as the spark arrestor. FMF has the sale going on right now that makes it hard to pass up.
 
berger said:
I got a Leo Vince from BOSS that works well, comes with 3 different inserts as well as the spark arrestor.

Hey Berger.
Is it a little more free flowing than stock? Does it let the heat out better?
 
mud400 said:
berger said:
I got a Leo Vince from BOSS that works well, comes with 3 different inserts as well as the spark arrestor.

Hey Berger.
Is it a little more free flowing than stock? Does it let the heat out better?
0

Honestly I cant feel any difference in performance really. Heat wise it's hard to tell being winter and all. It is quiet though. That and the spark arrestor sold it for me.
 
Not a great product for increasing power. and the gains for cooling the motor have been over stated.

Looki
 

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