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Wehrli 01-16 Chevrolet Duramax Exhaust Manifold Kit w/ Gaskets & Hardware
Wehrli Duramax Exhaust Manifold Kit with Gaskets and Hardware – 01-16 Chevrolet 6.6L
Give your Duramax diesel the exhaust manifold upgrade it deserves with the Wehrli Custom Fabrication Exhaust Manifold Kit. Designed for 2001–2016 Chevrolet and GMC trucks equipped with the 6.6L Duramax, this premium manifold kit improves exhaust scavenging and eliminates the warping and cracking issues that plague the factory cast iron manifolds on high-output Duramax applications. The kit includes all required gaskets and hardware for a complete, professional-quality installation.
Key Features
- High-grade construction for superior heat resistance vs. factory manifolds
- Improves exhaust flow and reduces backpressure compared to OEM
- Resists cracking and warping even under high-boost, high-EGT conditions
- Complete kit includes all gaskets and installation hardware
- No additional purchases needed – everything for installation is included
- EPA Compliant – legal for street use in all 50 states (non-CARB)
- Made in the USA by Wehrli Custom Fabrication
Fitment
Fits 2001–2016 Chevrolet / GMC Silverado and Sierra trucks with the 6.6L Duramax diesel (LB7, LLY, LBZ, LMM, LML). Part Number: WCF100363.