The HMF Performance Series has become the most popular aftermarket exhaust system in ATV racing. Featuring a 2-inch, non-restricted core, the HMF Sport Series delivers the power, torque and quality that racers demand. Match your machine with GNCC and BAJA tested powder coated exhausts and end caps for a fully customized look. And with the best muffler packing in the industry, you can spend more time riding and less time repacking. The HMF Sport Series delivers the most horsepower & torque gain per dollar of any HMF system. It was specifically designed to deliver maximum power gain throughout the RPM range. If you need to run quiet from time to time, the Sport Series accepts the optional HMF Quiet Core.
All HMF exhausts feature:
- USFS approved spark arrestors
- 304 stainless steel flanges, headpipes & S-bends
- Tough T-6 6061 aluminum or lightweight Carbon Kevlar shells
- Volumized, high performance glass wool packing
- Significant weight loss compared to stock systems
- Made in the U.S.A.