Fits: 2017 thru 2024 Chevy Silverado/GMC Sierra 2500HD/3500HD L5P & 2019-2024 4500HD/5500HD/6500HD L5D Duramax Diesel with OEM or WCFab Manifolds

Replace the lightweight and leak prone 1-5/8" OEM up pipes with this Wehrli Custom Fabrication HD Stainless Up Pipe Kit. These heavy duty stainless bellows will not crack and leak like OEM.

Features:

• TIG welded 11ga. Stainless construction
  
• Flows 26% better than OEM
• Increase turbo spool-up and decrease exhaust gas temperatures
  
• No tuning required
• Made in the USA

Includes:

• 2" Passenger Side HD Up Pipe
• 2" Driver Side HD Up Pipe
• (x4) Up Pipe Gaskets
  

Notes:

• Only compatible with OEM exhaust manifolds or WCFab Billet Manifolds
  

*NOT LEGAL FOR SALE OR USE IN CALIFORNIA. THE MANUFACTURE, SALE, OFFER FOR SALE, OR INSTALLATION OF THIS PRODUCT MAY ALSO BE ILLEGAL NATIONWIDE UNDER THE FEDERAL CLEAN AIR ACT (42 U.S.C. § 7522(A)(3))*

*This product is ONLY designed for closed course racing where it is legal to do so. Any other use will be in violation of local, state, and federal laws. We are not responsible for unlawful use of this product.