Wehrli 01-16 Chevrolet 6.6L Duramax 2in Stainless Driver Side Up Pipe w/Gaskets (Single/Twin Turbo)
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 Driver side OEM up pipe with this heavy-duty 11 gauge 2" Stainless up pipe.
Key Features
- HD Stainless Bellow that will not crack and leak like OEM. Increase Turbo spool up and decrease EGTs.
- Includes Up Pipe Gaskets.
- NOTE: This up pipe will ONLY fit with OEM exhaust manifolds or WCFab Duramax Billet Exhaust Manifolds (WCF100363). 2007.5-2010 LMM Requires Coolant Bypass/Relocation Fitting WCF100798.
- Replaces the following GM Part Numbers: 98066019, 12637379, 12634564.
Fitment
Fits 2001-2016 Chevrolet Silverado 2500 HD / Chevrolet Silverado 3500 HD / GMC Sierra 2500 HD / GMC Sierra 3500 HD equipped with the LB7, LLY, LBZ, LMM, and LML 6.6L Duramax Diesel engine.
Product Details
- Brand: Wehrli (WCFab)
- Manufacturer Part Number: WCF100652
- Product Type: Turbo Install Kits
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: 4.9
Shipping Length: 17.6
Shipping Width: 6.3