Year: 2017-2019Make: Harley DavidsonDescription:Looking for the perfect exhaust system for your Harley M8 bike? Look no further. D&D has created the perfect exhaust system designed specifically for Harley 2017-2019 Milwakee-Eight motorcycles. This M8 Exhaust system is engineered to increase low end torque and horsepower. Questions? Take a look at some of our customer’s reviews and give us a call today at(817) 834-8961. A D&D Performance Exhaust representative will be happy to help you choose the right pipe for your needs.2017-2019 Harley 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.Details:New 2:1 System for the Milwaukee – Eight Engine.This system is designed especially for the M8 motors.The M8 Billet Cat full system is equipped with heat-shields,exhaust gaskets,bolt kit and baffle.Our systems a designed to increase low-end torque and horsepower.The 2 1/2″ core Vortex wrapped baffle works great on 107″ to 124″ motors. Muffler housing is 4″.M8 Billet Cat comes with 18mm 02 bungs with a 12mm insert for the 12mm sensors.Note:Will NOT fit with the Harley Cool Flow FanNote:Blueing and Discoloration are caused by improper tuning and will not be covered under Warranty.Notice:D&D Performance Exhaust Systems are designed for closed course racing applications.Not for use on pollution controlled vehicles.