WC Fab Billet Exhaust Manifold & Stainless Up Pipe Kit

Product Name: WC Fab Billet Exhaust Manifold & Stainless Up Pipe Kit
Manufacturer: WC Fab
Thoroughbred Diesel Part #: WCFEXHAUSTUP
Fitment Notes: 2001-2004 GM Duramax LB7 | 2017-2024 GM Duramax L5P

Upgrade your Duramax’s performance and reliability with the WC Fab Billet Exhaust Manifold & Stainless Up Pipe Kit. Designed and manufactured in the USA, this kit replaces the restrictive factory components with precision-engineered billet manifolds and high-flow stainless up pipes. Whether you’re building for daily driving, towing, or competition, WC Fab’s manifolds and up pipes are built to handle extreme heat, boost pressures, and horsepower levels far beyond stock.

Note (Current WC Fab Lead Times):

• In Stock Items: 7-10 Business Days
• Most Built to Order Powder Coasted Items: 10-15 Business Days
• Traction Bars: 10-15 Business Days

WC Fab Billet Exhaust Manifold & Stainless Up Pipe Kit Features:

• CNC-machined billet exhaust manifolds for superior strength and precision fitment
• Stainless steel up pipes for maximum durability and resistance to cracking under extreme temps
• Improved exhaust flow for better turbo spool, increased horsepower, and lower EGTs
• Direct bolt-on replacement with no modifications required
• Designed and built in the USA for unmatched quality and reliability
• Includes all required hardware for a clean, straightforward installation
• For more information on WCFab call us at 1-859-737-4966.