Description
FMF has always been a leader in high performance exhausts that won’t wake up the neighborhood thanks to their inherent quiet technology. The Q4 muffler is no exception in the off road exhaust market. FMF has applied for several patents making it one of their most technically advanced products. The Q4 employs an intricate array of chambers, baffles and proprietary multistage packing material making it one of the best- performing quiet mufflers available. It’s quiet technology in quite a svelte muffler package! Developed over years of championship off-road racing. Max sound output 96dB. Significantly lighter than stock. Constructed using an aircraft grade aluminum sleeve and high strength stainless steel components. Fitted with USFS-approved spark arrestor. Easily serviced for repacking. Made in the USA.




