
Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware
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.This Part Fits: Year Make Model Submodel 2021-2025 Chevrolet Silverado 2500 HD Custom 2017-2025 Chevrolet Silverado 2500 HD High Country 2017-2025 Chevrolet Silverado 2500 HD LT 2017-2025 Chevrolet Silverado 2500 HD LTZ 2017-2025 Chevrolet Silverado 2500 HD WT 2024-2025 Chevrolet Silverado 25