I have a Q4 fitted put it on mostly to reduce weight/heat but would be happier if i could get it a little less loud it has the stock spark arrester in it has anyone tried a decibel killer?...maybe even the fmf one designed for the powercore
Biglake
Subject: Re: FMF Q4 Sun Oct 27, 2013 7:21 pm
Check out the quieter Q4 solution thread a little further down the page.
Theres a few different ways to make it quieter.
marleymouse
Subject: Re: FMF Q4 Mon Oct 28, 2013 1:31 pm
Ah thanks biglake looks like i need to pay attention..