The 2 1/2' Vortex wrapped baffle core is for motors 96' to 113'.
Performance increases are about up to 15% with the proper tune on the bike. Every exhaust is designed to increase low-end torque and horsepower. All of our testing is done with that Harley SE Race Tuner. Each exhaust system is designed and dyno tested at our facilities. 2:1 Billet Cat is a stepped header system at the head 1 5/8' to 1 3/4' to 1 7/8' at collector and and 2 1/2' where the muffler goes to the header.Īll Billet Cat full systems a equipped with heat shields, exhaust gaskets, bolt kit and a baffle. New Billet Cat designed for InterchangeableĢ009-2016 Harley-Davidson FLH / FLT D&D 2 into 1 Billet Cat Exhaust pipe.