2 into 1 Boarzilla stepped header design goes from 1 7/8 to 2” on the head pipe.

All full systems come with heat shields and baffles.

The muffler is upswept for better ground clearance. Will work with forward controls and mid controls. Full system designed for a 107 CI or bigger.

Each exhaust pipe is put on our dyno in our facilities. Every pipe is designed to increase low-end torque and horsepower.