This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.
Purchasing this product requires you to sign our Vehicle Compliance Waiver here.
HMF has been developing after market exhaust systems for nearly two decades. Whether your machine is built for dirt or pavement, our exhaust systems substantially increase the horse power and torque on your machine while adding an incredibly aggressive sound.state of the art manufacturing facility. Manufactured with the highest quality materials and engineered to hold up in the most rigorous conditions. Their goal is to provide customers with axles that will withstand rough terrain, water, mud and sand.
HMF is a brand of aftermarket mufflers that is known through the off-road community as one of the highest performing aftermarket exhausts for ATV or UTV. As the industry leader in customizable parts and colors, HMF develops the high quality exhaust systems in a variety of different series. Each series has it’s own unique attributes that makes it different from the others.
- Increases horsepower and torque by 10-15%
- 5-10% more peformance throughout the power curve
- 4-6dB louder than the stock muffler
- Made in the USA
- Polaris RZR 800 11-14
- RZR 800 11-12 must use an HMF Optimizer as they run entirely too lean without one
- Pictures used for marketing purposes only, actual product may vary