Wehrli

Wehrli 01-04 Duramax LB7 Billet Exhaust Manifold & SS Up Pipes w/ Gaskets and ARP Hardware

SKU WCF100174

MPN wcfWCF100174

$1871.13 · Available to order

Wehrli 01-04 Duramax LB7 Billet Exhaust Manifold & SS Up Pipes w/ Gaskets and ARP Hardware

WCFab's 2001-2004 LB7 Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components. These manifolds are exhaust port gasket matched and internally divided for optimal flow with OEM or ported cylinder heads. Outlet locations allow full compatibility with OEM style up pipes and are paired with WCFab's 2" Stainless High-Flow Up Pipes for optimized performance. Includes new gaskets, ARP 12PT fasteners, and assembly lube for easy install. Finished in Black Ceramic Coat rated for 2000 deg F. Manifold replaces the following GM Part Numbers: 12637647, 12624683, 97224587

Confirmed vehicle fitment
YearsMakeModelSubmodelDrive
2004ChevroletSilverado 3500WT—
2001–2004GMCSierra 2500 HDSLE—
2001–2004ChevroletSilverado 3500LS—
2003–2004GMCSierra 2500 HDWT—
2001–2004GMCSierra 3500SLT—
2001–2004ChevroletSilverado 2500 HDLT—
2002–2004GMCSierra 2500 HDBase—
2001–2004ChevroletSilverado 3500Base—
2001–2004ChevroletSilverado 2500 HDLS—
2001–2002GMCSierra 2500 HDSL—
2001–2004ChevroletSilverado 3500LT—
2001–2004GMCSierra 3500SLE—
2004ChevroletSilverado 2500 HDWT—
2002–2004GMCSierra 3500Base—
2001–2004GMCSierra 2500 HDSLT—
2004GMCSierra 3500WT—
2001–2002GMCSierra 3500SL—
2001–2004ChevroletSilverado 2500 HDBase—
Specifications
CategoryExhaust, Mufflers & Tips
Sub-CategoryHeaders & Manifolds
UPCWCF100174
CARB ApprovedNo
Prop 65 WarningY
Special OrderYes
Weight37 lb
Dimensions (L×W×H)30 × 10 × 10 in