New 2:1 System for the Milwaukee - Eight Engine.

This system is designed especially for the M8 motors.

2017-UpHarley Davidson Touring D&D 2:1 M8 Billet Cat is a steeped header system at 1 3/4"-1 7/8"-2 1/8" at collector -2 1/2" where the muffler goes to the header.

The M8 Billet Cat full system is equipped with heat-shields,exhaust gaskets,bolt kit and baffle.

D&D systems a designed to increase low-end torque and horsepower.

The 2 1/2" core Vortex wrapped baffle works great on 107" to 117" motors. Muffler housing is 4".

M8 Billet Cat comes with both 18mm and 12mm 02 bungs.

Note:Will NOT fit with the Harley Cool Flow Fan

End Caps Sold Separately