DRAG SPECIALTIES Tune Up Kit - '70-E'78 Big Twin/XL MC-DRAG013 Premier Muffler Packing The FMF Gnarly pipe focuses

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

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

OEM color-matched material

heat treated weights

Note: Bike side and the separate listing bench tuning kit do the same thing but one tunes off the bike (remove ecu bring to computer) and the other attaches to the bike (this listing attached a small harness to your motorcycle)

DRAG SPECIALTIES Tune Up Kit - '70-E'78 Big Twin/XL MC-DRAG013 Premier Muffler Packing The FMF Gnarly pipe focusesContact 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