Home - Return to Previous Page

2017-2025 L5P Duramax 2" Stainless Up Pipe Kit for OEM or WCFab Manifolds w/ Gaskets

Additional Images
Shipping: This Product cannot ship to the state of California
WCF100624
- Fully TIG Welded 11 GA Stainless Steel Construction
- Heavy Duty 2" Driver Side Up Pipe
- Heavy Duty 2" Passenger Side Up Pipe
- Up Pipe Gaskets (4)
- Flows 26% Better than OEM
- NO TUNING REQUIRED
- Made in USA
Availability: In Stock. Ships in 3-5 business days.
5 5 1
Select Options & Add to Cart
NOTE: This product has the following shipping restriction(s):
  • This product cannot be shipped to California
Pricing: $689.00

As low as $63/mo with . Check your purchasing power

*Select Fastener Type Reset

Your Selected Options

Please select all required options.

Your Total Price

NOTE: This product has the following shipping restriction(s):
  • This product cannot be shipped to California
$689.00
Qty:
NOTE: This product has the following shipping restriction(s):
  • This product cannot be shipped to California

California Residents: Prop 65 Warning

WARNING: Cancer and Reproductive Harm

Description

Replace the lightweight 16G, leak prone, 1 5/8" OEM up pipes on your 2017-2025 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.