FMF Q4 incorporates internal baffles, chambers, and space age sound absorbing materials to accelerate exhaust flow with less noise and minimal power loss
Lighter weight titanium construction weighs less than most moto mufflers well under the 96 dB sound output on most machines to satisfy strict sound requirements
US forestry approved spark arrestor with maintenance free stainless steel spark arrestor screen
Used with stock or FMF headers
For over 35 years FMF has delivered superior power and performance to motorcycle enthusiasts around the globe.