4" Twin Turbo Down Pipe for LB7/LLY/LBZ/LMM Duramax Down Pipe 4in. for LB7/LLY/LBZ/LMM Duramax with Twin / Compound Turbo Features: 4" Twin Turbo Down Pipe for LB7/LLY/LBZ/LMM Duramax For custom built racing applications to fabricate your own twin turbo kit Use in conjunction with...

3" LB7 Turbo Downpipe for use with OEM charger or Stealth series Drop in. High Temp Coated and Heat Wrap included Down Pipe 3in. for 2001-2004 Duramax LB7 Features: 3" Downpipe Heat Wrap High Temp Coating Vehicle Fitments 2001-2004 GMC 6.6L DURAMAX 2001-2004 CHEVROLET...

LB7 Duramax 3" Down pipe for S300 Turbo with HX40 style exhaust outlet flange. Built specifically for use with ProFab 6.5in Fabricated pedestal. Other turbo pedestals may be compatible but have not been verified for fitment. Height must be between 5-6" tall for proper...

Replace the lightweight, leak prone, 1 5/8" OEM up pipes with these heavy duty 11 gauge 2" Stainless up pipe kit. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spool-up and decrease EGT's. This kit is for use with...

Replace the lightweight, leak prone, 1 5/8" OEM up pipes with these heavy duty 11 gauge 2" Stainless up pipe kit. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spoolup and decrease EGT's. This kit is for use with...

Replace the light weight, leak prone passenger side OEM up pipe with this heavy duty 11 gauge 2" Stainless up pipe. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spoolup and decrease EGT's. This up pipe is built with...

Replace the light weight, leak prone passenger side OEM up pipe with this heavy duty 11 gauge 2" Stainless up pipe. HD Stainless Bellow that will not crack and leak like OEM. Increase Turbo spool up and decrease EGT's. This up pipe is built...

LB7 Duramax 3" Down pipe for S400 turbo with 4.6" Diameter flat exhaust outlet flange (Half marmon). This down pipe mates to the exhaust system v-band flange with OEM clamp for easy install. Must be used with a T4 pedestal between 5.5-6.5" tall. Down...

WCFab?s 2001-2016 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...

Dress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lock and is a direct replacement for your OEM cover. 2001-2016 Duramax Oil Cap Blue Vehicle Fitments Chevrolet Silverado 3500 2001 to 2006 Chevrolet Silverado 2500...

Dress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lock and is a direct replacement for your OEM cover. 2001-2016 Duramax Oil Cap Black Vehicle Fitments Chevrolet Silverado 3500 2001 to 2006 Chevrolet Silverado 2500...

Dress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lock and is a direct replacement for your OEM cover. 2001-2016 Duramax Oil Cap Red? Vehicle Fitments Chevrolet Silverado 3500 2001 to 2006 Chevrolet Silverado 2500...

Ditch the grit. Get rid the dirtiest oil left in the valley of your stock pan from all your previous oil changes. The stock Duramax engine oil pan is stamped steel (very poor heat dissipation) and there is a valley in the pan which...

Ditch the grit. Get rid the dirtiest oil left in the valley of your stock pan from all your previous oil changes. The stock Duramax engine oil pan is stamped steel (very poor heat dissipation) and there is a valley in the pan which...

Clean up the engine bay of your 2001-2019 GM 2500/3500 Duramax truck with this custom powder coated fabricated aluminum brake reservoir cover from WCFab that fits over the unsightly OEM plastic reservoir. Pair with a WCFab billet aluminum brake reservoir cap for the completed...

Clean up the engine bay of your 2001-2019 GM 2500/3500 Duramax truck with this custom powder coated fabricated aluminum brake reservoir cover from WCFab that fits over the unsightly OEM plastic reservoir. Pair with a WCFab billet aluminum brake reservoir cap for the completed...

Clean up the engine bay of your 2001-2019 GM 2500/3500 Duramax truck with this custom powder coated fabricated aluminum brake reservoir cover from WCFab that fits over the unsightly OEM plastic reservoir. Pair with a WCFab billet aluminum brake reservoir cap for the completed...

Clean up the engine bay of your 2001-2019 GM 2500/3500 Duramax truck with this custom powder coated fabricated aluminum brake reservoir cover from WCFab that fits over the unsightly OEM plastic reservoir. Pair with a WCFab billet aluminum brake reservoir cap for the completed...

Clean up the engine bay of your 2001-2019 GM 2500/3500 Duramax truck with this custom powder coated fabricated aluminum brake reservoir cover from WCFab that fits over the unsightly OEM plastic reservoir. Pair with a WCFab billet aluminum brake reservoir cap for the completed...

Clean up the engine bay of your 2001-2019 GM 2500/3500 Duramax truck with this custom powder coated fabricated aluminum brake reservoir cover from WCFab that fits over the unsightly OEM plastic reservoir. Pair with a WCFab billet aluminum brake reservoir cap for the completed...