Wehrli

Wehrli 17-25 Chevrolet 6.6L L5P Duramax 2in Stainless Up Pipe Kit w/Gaskets

SKU: wcfWCF100624 UPC: WCF100624
In stock - 8 items available
$705.00

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Verified Fitment & Application Support

This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.

Got Questions? Feel free to email us or call us at (503) 235-1947

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.

Key Features

  • 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.
  • 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.

Fitment

Fits 2017-2025 Chevrolet Silverado 2500 HD / Chevrolet Silverado 3500 HD / GMC Sierra 2500 HD / GMC Sierra 3500 HD equipped with the 6.6L L5P Duramax Diesel engine.

Product Details

  • Brand: Wehrli (WCFab)
  • Manufacturer Part Number: WCF100624
  • Product Type: Exhaust Pipes & Tubings

Orders typically ship within 24–48 hours of being received, but because of vendor shipping times some orders may take longer. We ship within the United States only (48 contiguous states plus DC).

Shipping Height: 8.4

Shipping Length: 20.2

Shipping Width: 9.1
California Emissions (CARB)
Not legal for sale or use on pollution-controlled motor vehicles in California or other states that adopt California emissions standards. For off-road and competition use only.
California Proposition 65
WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.