2017-2023 Harley Touring M8 Billet Cat 2:1 Exhaust Harley Davidson Black Ghost Pipe [630N-31TG]
by affle
$1,298.00
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Upgrade your 2017-2023 Harley Touring M8 with the Billet Cat 2:1 Exhaust in black featuring the Ghost Pipe [630N-31TG]. This expertly designed exhaust enhances airflow and delivers a powerful Harley-Davidson sound while showcasing a sleek ghost pipe aesthetic. Constructed from premium billet materials, it offers durability and a refined matte black finish that complements your bike’s aggressive style. Perfect for riders seeking a high-performance, visually striking exhaust upgrade.
Features:
- Designed for Milwaukee-Eight Engines: Engineered specifically for M8 platforms, ensuring precision fit and performance.
- 2:1 Stepped Header Design: Optimized header flow enhances low-end torque and throttle response, giving you noticeable real-world gains.
- Complete Installation Kit: Includes heat shields, exhaust gaskets, bolt kit, and performance baffle—no additional parts needed.
- Dual O2 Sensor Compatibility: Comes with 18mm O2 bungs and 12mm adapters, making it compatible with both 18mm and 12mm sensor setups.
- Dyno-Tested Performance: Each system is tested in-house to ensure consistent power gains, especially in the low and mid RPM range.
- Aggressive Sound Profile: Delivers a deep, powerful exhaust tone while maintaining backpressure balance for engine health.
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.