Wehrli Custom Fabrication
Wehrli Custom Fabrication WCF100226 Billet Exhaust Manifold & Stainless Up Pipe Kit for 2017-2026 Chevrolet Silverado / GMC Sierra 2500 HD / 3500 HD L5P Duramax
Wehrli Custom Fabrication WCF100226 Billet Exhaust Manifold & Stainless Up Pipe Kit for 2017-2026 Chevrolet Silverado / GMC Sierra 2500 HD / 3500 HD L5P Duramax
Couldn't load pickup availability
The Wehrli Custom Fabrication WCF100226, Billet Exhaust Manifold & Stainless Up Pipe Kit, is listed for 2017-2026 Chevrolet Silverado / GMC Sierra 2500 HD / 3500 HD L5P Duramax.
These manifolds are exhaust port gasket matched and internally divided for optimal flow with factory or ported cylinder heads.
Includes new gaskets, ARP 12PT fasteners, up pipe bolt kit, and assembly lube for easy install.
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
- Includes ARP Up Pipe Bolt Kit
- Passenger Side Up Pipe
- Driver Side Up Pipe
- Up Pipe Gaskets (4)
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. Improper use or installation, accident, abuse and unauthorized repairs or alterations void the warranty. Warranty claims must be pre-authorized by Wehrli Custom Fabrication with a return authorization number and sent transportation prepaid with dated proof of purchase.
Specifications
- Brand: Wehrli Custom Fabrication
- Manufacturer Part Number: WCF100226
- 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.
Share
🛡️
Manufacturer's Warranty — Wehrli Custom Fabrication
▾
Manufacturer's Warranty — Wehrli Custom Fabrication
Wehrli Custom Fabrication (WCFab) warrants its products to be free from defects in material and workmanship for twelve (12) months from the date of original purchase. A product that fails within that period because of a defect is repaired or replaced at WCFab's option, and the warranty never exceeds the original purchase price of the product. WCFab traction bar kits are also listed with a lifetime warranty against bending or breaking. The warranty applies only to the original purchaser and is not transferable. Not covered: improper use or installation, accident, abuse, unauthorized repairs or alterations, and special, incidental or consequential damages or costs. Every warranty claim must be pre-authorized by WCFab with a return authorization number and sent transportation prepaid with dated proof of purchase.
Warranty terms are set by the manufacturer and may change. Full details and claims are handled directly by Wehrli Custom Fabrication. Contact us if you need help with a warranty claim.

Q&A
No questions yet. Be the first to ask!