HMF Engineering Exhaust Systems are leading the ATV industry in aftermarket Sport and Utility exhaust systems.
HMF exhausts are documented and tested to be the best system for scavenging every bit of available power from your
machine. Their ATV exhaust systems have been the top performer in Dirt Wheels Magazine exhaust shoot-outs for 4 years running.
If you are looking for the maximum performance gains from your machine, then look no further than HMF Exhaust.
Designed with large stepped down header pipes and a 2” non-restrictive core, HMF Exhaust systems allow greater
exhaust flow to produce maximum power and torque throughout the entire power band.
If you want superior construction then HMF’s stainless steel headers and T-6061 aircraft grade aluminum will fit
your bill. Using top of the line materials means long lasting performance with minimal maintenance.
Better design, better materials, greatest power increases. HMF Exhaust systems are your choice for an awesome
ATV experience. Choose one of the following models to fit your ATV needs:
HMF Sport Series Exhaust systems are the best performing aftermarket ATV exhaust systems for your sport quad. Choose this model if you want the most bang for your buck.
Top performer in Dirt Wheels Magazine exhaust shoot outs for the past 4 years.
Designed with larger diameter stepped head pipes and a 2" open flow non-restrictive core to produce maximum power and torque throughout the entire power band.
304 stainless steel headers and inlets and T-6061 aerospace grade aluminum canister with TIG welded aluminum brackets.
Spark Arrested and USFS Forestry approved.
2 year manufacturer’s warranty.
HMF Utility Series Exhaust systems are the best performing aftermarket ATV exhaust systems for your utility quad. Choose this model if you need to get the most out of your big utility ATV without breaking the bank.
Available in both slip-on and full systems.
Designed to give you the most power and torque of any aftermarket exhaust available.
Included USFS Forestry approved (but removable) spark arrestor.
Quest core is available to tone that powerful sound to under 100dB.
All pipes are made with Race Tex pillow packing contained in a T-6061 aircraft grade aluminum canister with stainless steel headers.
Several colors available for most pipes.
Full 2 year manufacturers warranty.
The QS1 Eco Series Exhaust systems are made for the concientious ATV'er who constantly rides in areas where noise is a serious issue. This is your pipe if you want the extra power without announcing you presence to the whole world.
Get huge performance increases while staying an ultra-quiet 96dBs.
Included USFS Forestry approved (NON removable) spark arrestor.
Included is an internal non-removable quiet core.
Full 2 year manufacturers warranty.
Brushed aluminum finish only.
The Ballance Pro Series systems were designed with the 5 time GNCC Pro champion Bill Ballance. A combination of Bill's track experience with HMF's design and manufacturing expertise makes this the baddest sport ATV exhaust money can buy.
A joint project between 5 time GNCC Pro champion Bill Ballance and HMF to produce a new line of race-driven exhaust systems specifically designed for the aggressive sport-quad enthusiast.
Features the revolutionary Torque Range Modifier that modifies the torque increase to the bottom end of the power band for an extremely smooth delivery through the mid power range.
Ideal for mud and loose dirt.
Internal mounting bracket that bolts directly into the core of the canister allowing the carbon canister to float vibration free and dramatically increases the life of the carbon fiber.
USFS Forestry approved spark arrested.
The Ironman Pro Series was developed with a special diameter core and perforated hole design for those in need of top end MX performance. On the dyno and on the track, the Ironman Pro can lay down impressive numbers.
Billet aluminum vector style turndown end cap.
Larger diameter core with uniquely spaced perforated holes. Steel mesh wraps around the core for maximum sound absorption withouth loss of power.
Volumized, high performance glass wool built to withstand extreme temperatures.
T6061 Aluminum or Carbon Fiber shell allowing up to 60% weight reduction over stock.
Stainless steel inlet caps and rivets.
HMF did not leave out the utility riders. Together with Utility Champ Mike Penland, HMF has produced the creme of the crop utility ATV exhaust system. You will not find better horsepower gains than with a Penland Series exhaust.
A joint project between Mike Penland and HMF to produce an extreme line of power hungry utility riders and racers.
Race proven technology achieves the greatest increase in horsepower and torque available for utility machines.
Included USFS Forestry approved (but removable) spark arrestor.
Quest core is available to tone that powerful sound to under 100dB.
All pipes are made with Race Tex pillow packing contained in a T-6061 aircraft grade aluminum canister with stainless steel headers.
Available in brushed aluminum finish only.
Full 2 year manufacturers warranty.
New race rules keep HMF on their toes and the new Quiet Race Series exhaust is no exception. The QSR series combines everything they know about squeezing power out of a machine while achieving AMA's 101dB max rule.
Designed to meet the demands of the ever changing decibel restrictions of AMA sanctioned races.
Features HMF’s exclusive 101dB Racing Core that delivers non-restricted horsepower and torque across the entire power band, yet limits DB to less than 101 dBs.
Spark arrested and USFS Forestry approved.
2-Year manufacture’s warranty.