Year: 2017-2024 Make: Harley Davidson 2017-2023 M8 Harley Touring Bob Cat Full Exhaust System D&D 2 into 1 Bob Cat Exhaust pipe. Note: For 23 CVO's with VVT motors and 2024 baggers, You will have to remove the trans side cover and cam cover and use the Hofmann Designs aftermarket kit that works instead of the stock covers.https://www.hofmann-designs.com/collections/drivetrain-covers/products/gear-position-sensor-cover-23-5-cvo-24-touring Details All D&D Bob Cat full systems are equipped with heat shields, exhaust gaskets, bolt kit and baffles. Each exhaust system is designed and dyno tested in our facilities. Our testing is done with the Harley Tuner's. Every pipe is designed to increase low-end torque and horsepower. Notes: At idle, the motorbike is deep, boomy and full of character. Not only does the pipe look good, it is a wonderfully sounding experience for the rider. Bluing and Discoloration are caused by Improper Tuning and will not be covered under Warranty D&D Performance Exhaust Systems are designed for close course racing applications only.