Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
WCFab's 2017-2025 L5P Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components. These manifolds are exhaust port gasket matched and internally divided for optimal flow with OEM or ported cylinder heads. Outlet locations allow full compatibility with OEM style up pipes and are paired with WCFab's 2" Stainless High-Flow Up Pipes for optimized performance. Fully compatible with vehicle emissions system, these L5P Manifolds include the necessary sensor port and EGR riser flange. Includes new gaskets, ARP 12PT fasteners, and assembly lube for easy install. Finished in Black Ceramic Coat rated for 2000 deg F.
- 1/8 NPT port (and optional plug) included in driver side manifold for installation of EGT or drive pressure sensor
- Fully TIG Welded, CNC machined billet steel exhaust manifolds
- Finished in Black Ceramic Coat rated for 2000 deg F
- Includes new gaskets for manifolds & up pipes
- Includes ARP 12PT Fasteners and Washers
Shipping information
We currently ship within the United States only. Most in-stock orders ship within 1 business day, and standard delivery takes 5-10 business days depending on your location. Shipping is calculated at checkout based on destination and item weight, and a tracking number is emailed to you once your order ships.
See our FAQ for full shipping details.
Returns & warranty
Returns are accepted within 14 days of delivery on new, unused, and uninstalled items in their original packaging. A 15% restocking fee applies, and a Return Merchandise Authorization (RMA) number must be requested before shipping any return. Some items are not eligible for return, including electronics, engine internals, turbo/supercharger kits, special orders, and Sale/Clearance items.
All products are covered by the original manufacturer's warranty. For returns or warranty help, email contact@sabaku-parts.com. Full details are in our FAQ.