Boss Boarzilla is a stepped header system at the head is 1 3/4" to 1 7/8" to 2" with 2 1/2" collector. Boarzilla 2/1's feature a wrapped perforated baffle. Boarzilla full systems are equipped with heat shields, exhaust gaskets, bolt kit and baffles. Each exhaust system is designed and dyno tested at D&D's facility and is designed to increase low-end torque and horsepower on modified engines.
Slant cut matches angle of saddlebag
