Ultra-Quiet, Extra-Power

Designed to reduce noise and meet the 96dB restriction set by most national parks and designated riding areas. Ideal for riding US Forestry regulated land, trail riding or hunting, without the worry of the decible restrictions. The new HMF Eco-core is a unique, non-removable, USFS spark arrested internal core that is setting new industry standards in sound reduction. Measuring stock dBs at idle and 94 dBs at half-throttle, the new QS1 technology delivers absolutely the maximum power increases possible while allowing you to ride at your favorite places. QS1 Ecosystem mufflers are packed with horsepower and torque, guaranteed! So get the best of both worlds... Quiet-Power! Available in full system and slip-on's for the most popular utility and sport model quads. Hand crafted stainless steel headers, solid construction aluminum muffler canisters and the QS1 Eco-Core for the highest quality ultra-quiet ATV performance exhaust on the market today.