DRAG SPECIALTIES Tune Up Kit - '70-E'78 Big Twin/XL MC-DRAG013 Premier Muffler Packing HH friction rating

HH friction rating

Inner splines are broached to provide maximum spline-to-countershaft contact - this helps distribute driveline forces over the largest possible area

packed with a sealed pillow of sound absorbing material which provides a deep rumble

Allows your rear brake system to perform better in hot and extended riding conditions

The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain

DRAG SPECIALTIES Tune Up Kit - '70-E'78 Big Twin/XL MC-DRAG013 Premier Muffler Packing HH friction ratingContact sets feature a metal spring designed to resist metal fatigue and a follower of space age material to ensure longer life Condenser is sealed to help prevent breakdown due to moisture Meet or exceed OEM specs