D&D 4 inch 2-into-1 Tip Compatible Billet Cat Exhaust for '17-23 M8 Harley Davidson Trike Models - Please call for availability.
2017-2023 Harley Davidson D&D 2:1 M8 Billet Cat Tri-Glide and Freewheeler is a stepped header system at 1 3/4"-1 7/8"-2 1/8" at collector -2 1/2" where the muffler goes to the header
- Give your Milwaukee Eight the opportunity to build big horsepower and torque by installing a D&D 2 into 1 exhaust system. The name Billet CAT comes from the four custom billet end caps that you have your choice of in chrome or black. And like it's predecessor the D&D Fat Cat exhaust, the Billet Cat delivers great sound and power for your 2017-up Harley-Davidson Trike model.
- All D&D 2 into 1 exhaust systems for Harley-Davidson models are available in brilliant chrome or high-temperature black powder coat finish. The pipe itself is sold without a tip. Select the D&D billet tip style of your choice, such as the 30° Cap, Fish Mouth Cap, Straight Cap, or the Race Cap from the drop down menu. (Caps add to the price)
- If you wish to retain that dual exhaust look, select a Ghost Pipe to balance the look of your bike with a matching billet end cap.
- Take a close look at a D&D exhaust system and you’ll find true craftsmanship. From the hand ported inlets and collectors, hand fit heat shields with machined and welded steel clamp brackets, heavy duty mounting supports and ready for show finishes, you’ll know you made the right choice for your 2017 to present Milwaukee Eight Harley Davidson Trike Model.
Description:
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 2017-2023 Milwaukee-Eight motorcycles. This M8 Exhaust system is engineered to increase low end torque and horsepower.
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.
- M8 Billet Cat comes with 18mm 02 bungs with a 12mm insert for the 12mm sensors.
D&D Exhaust Baffle Choices:
This D&D Exhaust system comes with the choice of two different baffles: Vortex Wrapped Baffle or the new Big Bore Baffle:
- The 2 1/2" core Vortex Wrapped Baffle works best on stock displacements up to 114"
- The Big Bore Baffle works best on the bigger displacements on stage 4 114" and up.
D&D's Big Bore Baffle Details:
Our Chief Engineer has seen significant increases in mid to high range power on modified engines from stage 4 HD 114 and 117 to aftermarket 124 and up with matching cam and proper tune. The baffle is an all metal perforated 2 1/2 core ( aka big bore baffle) and will be really loud. Since we are a performance-based company, we always give our recommendations based on getting you the best performance, however if you’re willing to sacrifice some performance, you can go with this loud baffle option for the M8 Billet Cat. We do sell this baffle as a replacement so if you already have the M8 Billet cat you can purchase a replacement baffle. However, removing our baffles can be quite difficult, you might consider purchasing the muffler housing with the baffle. The Billet Cat is an end cap design if you damage the end of the muffler you will not be able to attach the end cap when finished. If you decide to change the baffle, the motorcycle will need to be re-tuned.
Notes:
- Will NOT fit with the Harley Cool Flow Fan.
- Bluing and Discoloration are caused by improper tuning and will not be covered under Warranty.
- D&D Performance Exhaust Systems are designed for closed course racing applications.
- Not for use on pollution controlled vehicles.
Made in the U.S.A.
DISCLAIMER: Not legal for sale or use in California on any pollution controlled motor vehicles.
Note: The use of a fuel processor is highly recommended when installing this exhaust system. Click here for Fuel Management Systems or call 570-992-1113 to speak to a West End Motorsports representative for assistance.
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