2 into 1 Fat Cat stepped header design goes from 1 3/4 to 1 7/8” on the head pipe.

Full system designed for a 88 CI to 103 CI. Option: A big bore baffle for the 95 CI to 103 CI.

All full systems come with heat shields and baffles.

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