Additional Images

Wehrli Custom Fabrication 2017-2024 L5P Duramax 2" Stainless Up Pipe Kit for OEM Manifolds w/ Gaskets - WCF100624

  • -Passenger Side Up Pipe
  • -Driver Side Up Pipe
  • -Up Pipe Gaskets (4)
Availability: In Stock. Ships in 3-5 business days.
Shipping: This Product cannot ship to the state of California
Pricing: $655.00

Customize Your Item

- Fastener Type -
 * required
Free Shipping!


Replace the lightweight, leak prone, 1 5/8" OEM up pipes on your 2017-2023 Newer Duramax 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.



Shipping Information

  • Item Requires Shipping
  • 11.0 lbs.
  • W8.0000” x H8.0000” x L20.0000”
  • Free Shipping!
  • This Product cannot ship to the state of California

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.