Description
WCFab 2017-2026 L5P Duramax 2" Stainless Up Pipe Kit for OEM or WCFab Manifolds w/ Gaskets WCF100624
Fits: 2017-2026 Chevy/GMC 2500HD/3500HD L5P Duramax
Replace the lightweight 16G, leak prone, 1 5/8" OEM up pipes on your 2017-2026 6.6L L5P Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck with these heavy duty 11 gauge 2" Stainless up pipe kit. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spool-up and decrease EGT's. This kit is for use with factory exhaust manifolds.
Fully compatible with WCFab Billet Exhaust Manifolds (Part Number WCF100373).
INCLUDES GASKETS! -NO Tuning required, bolt on! -Will fit on stock truck no other modifications or upgrades necessary!
Replaces the following GM Part Numbers: 12688021, 12702943, 12681437, 12680270, 12681162, 12674813, 12681162, 12676611
Also fits 2019+ L5D Duramax (4500/5500/6500) Medium Duty Trucks.
Lead time (per manufacturer): In Stock. Ships in 3-5 business days.
Wehrli Custom Fabrication (WCFab) — USA made. Part number: WCF100624.
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.