The Performance Series from HMF has been the staple of the brand since it's origin. Whether on dirt or pavement, this exhaust system has the capability of generating an even increase in horse power and torque while distributing an aggressive deep sound.
Dual Full System 9-11 horsepower and 5-7 ft-lbs of torque at the wheels. The aluminum shells and stainless head pipe weigh substantially less than stock.