BIG STEPPER m8 touring 2-1 full exhaust system

BIG STEPPER M8 touring full length exhaust system

(optional anti reversion chambers)

Features-

2 1/2” anti reversion chambers. Reduces exhaust reversion helping pickup low end torque. Reversion is primarily seen on low end rpm with higher lift camshafts during overlap. 
early step 2” primaries. optional 2 1/8 step to a 2 1/8 collector.
2 1/2 perforated baffle internally stepped to 3”