Description
WCFab 2017-2026 L5P Duramax Billet Exhaust Manifold & 2" Stainless Up Pipe Kit WCF100226
Fits: 2017-2026 Chevy/GMC 2500HD/3500HD L5P Duramax
Upgrade the Exhaust Manifolds and Up Pipes on your 2017-2026 Duramax to WCFab's Billet Exhaust Manifold & 2" Stainless Up Pipe Kit.WCFab’s Billet Exhaust Manifolds with EGR Riser Flange replaces the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components designed to enhance exhaust flow characteristics, improving turbo spool up, lowering EGTs and increasing power and economy. These manifolds are exhaust port gasket matched and internally divided for optimal flow with OEM or ported cylinder heads.
Includes new gaskets, ARP 12PT fasteners, up pipe bolt kit, and assembly lube for easy install. Finished in Black Ceramic Coat rated for 1800ºF.
WCFab's Up Pipe Kit replaces the lightweight, leak prone, 1 5/8" OEM up pipes with heavy duty 11 gauge 2" Stainless up pipes. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spool-up and decrease EGT's.
NO Tuning required, bolt on! Will fit on stock truck no other modifications or upgrades necessary.
Also fits 2019+ L5D Duramax (4500/5500/6500) Medium Duty Trucks.
Saves $150 vs. buying individually.
Lead time (per manufacturer): In Stock. Ships in 3-5 business days.
Wehrli Custom Fabrication (WCFab) — USA made. Part number: WCF100226.
California and Emissions Notice
This product is not legal for sale or use in California, or on any pollution-controlled motor vehicle where state or local law prohibits it. It does not have a California Air Resources Board (CARB) Executive Order. You are responsible for checking and following the emissions laws in your state before you buy and install it. Questions? Call us at 479-799-3953.
