04-07 660 DMC Dual Exhaust System

If you're thinking about upgrading your Yamaha Rhino 660 Exhaust, the DMC Afterburner Quiet 4 Dual Exhaust System is the perfect choice. This exhaust has been designed to improve horsepower, torque, and acceleration while keeping sound down to strict sound requirements. Features include a completely re-packable extruded alloy silencer with premium packing material, T-304 Stainless steel mid-pipe, AMA/FIM approved end-cap, removable U.S. Forestry approved spark arrestor and DMC S.O.S. (Save Our Sport) Quiet insert. The Pro Quiet pipes maximize performance as a full system, and are built to conform to all off-road noise regulated applications. Our test results show an output less than 96 Decibels.