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
• This kit works correctly with EGR and all emissions controls present for the 2017-2024 L5P/L5D

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