HMF develops the highest performance atv exhaust systems in a variety of different series. Each series has it's own unique attributes that makes it different from the others. HMF Engineering manufacturs after market exhaust systems for Honda, Suzuki, Kawasaki, Yamaha, Can-Am, KTM, Polaris, Arctic Cat, and Cannondale ATV's (All terrain vehicles) and Dirt Bikes as well as Honda, Suzuki, Yamaha, Kawasaki Street Bikes.

HMF Utility Exhaust

HMF Swamp Exhaust

HMF Penland Exhaust

$237.95 HMF Penland Pro Exhaust Mike Penland teamed up with HMF to produce "The most winning utility ATV muffler on the planet," the Penland Pro Series. This is the premier exhaust for the utility rider/racer looking for maximum pow ... View Details	$634.95 HMF Swamp Full Exhaust System HMF SWAMP SERIES EXHAUST CNC milled removable end cap, TIG welded inlet for uncompromising durability. Optional snorkel kit includes snorkel spigot with a welded flange. Five inch stainless steel, w ... View Details	$329.95 HMF Swamp Series Slip-On Silencer HMF SWAMP SERIES EXHAUST CNC milled removable end cap, TIG welded inlet for uncompromising durability. Optional snorkel kit includes snorkel spigot with a welded flange. Five inch stainless steel, w ... View Details
$400.95 HMF Utility ATV Full Exhaust The HMF Utility Series has become the most popular aftermarket exhaust system in ATV racing. Featuring a 2-inch, non-restricted core, the HMF Utility Series delivers the power, torque and quality that ... View Details	$223.95 HMF Utility ATV Slip-On Exhaust The HMF Utility Series has become the most popular aftermarket exhaust system in ATV racing. Featuring a 2-inch, non-restricted core, the HMF Utility Series delivers the power, torque and quality that ... View Details	$223.95 HMF Utility SRS Slip-On Exhaust The HMF Utility Series has become the most popular aftermarket exhaust system in ATV racing. Featuring a 2-inch, non-restricted core, the HMF Utility Series delivers the power, torque and quality that ... View Details
$209.95 HMF Dobeck Optimizer HMF DOBECK OPTIMIZERS HMF OPTIMIZER takes tuning the air fuel ratio on EFI machines to the next level. HMF OPTIMIZER uses latest GEN III technology to provide the most accurate and easiest method ... View Details