if so, how did it respond?

 

not well...i have raced a few....

 

I have a FMF PCIV-Q.
As a slip on, I noticed a little more snap in the acceleration. Then, I added the Power Bomb header, and that gave me just a little more over all torque.
Thinking now of going to a FMF PCIV (for dune riding), and saving my "Q" for national forests, where noise is a problem and a spark arrester is required.
I think, based on pipe diameters, that I'd get much more HP from the non-Q silencer.

 

i have a pc4,sa slip on. works great!
the Q, i dont know. but suspect more restrictive, as quiet jobs usually are.
you could stick the stocker back on for the weekend [ick] how does the q work?

you KNOW these guys who sell pipies are all scrambling to make quiet pipes.
if not, its the hot dog cart for them! i'm doing the wait and see.

 

hey disturbed 660...

would you say that it is not much of an improvement over the stock exhaust?

or would the Q be worth buying?