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Wehrli Custom Fabrication

Wehrli Custom Fabrication WCF100373 Billet Exhaust Manifold Kit with Gaskets for 2017-2026 Chevrolet Silverado / GMC Sierra 2500 HD / 3500 HD 6.6L L5P Duramax

Wehrli Custom Fabrication WCF100373 Billet Exhaust Manifold Kit with Gaskets for 2017-2026 Chevrolet Silverado / GMC Sierra 2500 HD / 3500 HD 6.6L L5P Duramax

Regular price $ 1,570.43
Regular price $ 1,727.48 Sale price $ 1,570.43
Free shipping on orders over $99 (contiguous U.S.) — flat $10.99 under $99. Shipping details
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The Wehrli Custom Fabrication WCF100373, Billet Exhaust Manifold Kit with Gaskets, is listed for 2017-2026 Chevrolet Silverado / GMC Sierra 2500 HD / 3500 HD 6.6L L5P Duramax.

These manifolds are exhaust port gasket matched and internally divided for optimal flow with factory or ported cylinder heads.

Outlet locations allow full compatibility with factory style up pipes and are designed to be paired with WCFab's 2" Stainless High-Flow Up Pipes (sold separately as part WCF100624) for optimized performance.

Key Features

  • Fully TIG Welded, CNC machined billet steel exhaust manifolds
  • Finished in Black Ceramic Coat rated for 1800ºF
  • Includes ARP 12PT Fasteners and washers for installation to cylinder head. Up pipe fastener kits sold separately as part WCF100199

This product is not approved for sale or use in the State of California, or in other states that require a CARB Executive Order (E.O.) number. It is intended for use in states that do not require CARB certification.

Fits These Vehicles

  • Fits 2017-2026 Chevrolet Silverado 2500 HD
  • Fits 2017-2026 Chevrolet Silverado 3500 HD
  • Fits 2017-2026 GMC Sierra 2500 HD
  • Fits 2017-2026 GMC Sierra 3500 HD

Wehrli lists this part by engine and model year. Cab, bed length and engine notes in the title also apply. Confirm them against your truck before ordering.

Wehrli Custom Fabrication warrants this product against defects in material and workmanship for twelve (12) months from the date of original purchase. Misuse, improper installation or maintenance, alterations, normal wear, competition use and shipping costs are not covered. Warranty returns must be pre-authorized by Wehrli Custom Fabrication with a return authorization number.

Specifications

  • Brand: Wehrli Custom Fabrication
  • Manufacturer Part Number: WCF100373
  • Type: Exhaust Manifold
  • Manufacturer Warranty: 12 months against defects in material and workmanship
  • Condition: New

Images are for illustrative purposes. The product you receive may differ in finish or packaging from the photograph.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

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