Stage 3 High Flow Intake Bundle Package for 2001-2004 LB7 Duramax. Stage 3 upgrade for the 2001-2004 LB7 Duramax combines our Stage 2 High Flow Bundle and 3 in. Down Pipe into a single package providing increased air and exhaust flow for your turbo...

Stage 3 High Flow Intake Bundle Package for 2001-2004 LB7 Duramax. Stage 3 upgrade for the 2001-2004 LB7 Duramax combines our Stage 2 High Flow Bundle and 3 in. Down Pipe into a single package providing increased air and exhaust flow for your turbo...

Stage 3 High Flow Intake Bundle Package for 2001-2004 LB7 Duramax. Stage 3 upgrade for the 2001-2004 LB7 Duramax combines our Stage 2 High Flow Bundle and 3 in. Down Pipe into a single package providing increased air and exhaust flow for your turbo...

Stage 3 High Flow Intake Bundle Package for 2001-2004 LB7 Duramax. Stage 3 upgrade for the 2001-2004 LB7 Duramax combines our Stage 2 High Flow Bundle and 3 in. Down Pipe into a single package providing increased air and exhaust flow for your turbo...

Stage 3 High Flow Intake Bundle Package for 2001-2004 LB7 Duramax. Stage 3 upgrade for the 2001-2004 LB7 Duramax combines our Stage 2 High Flow Bundle and 3 in. Down Pipe into a single package providing increased air and exhaust flow for your turbo...

The WCFab 2001-2016 Duramax Up Pipe Bolt Kit is comprised of 6 specially selected high strength 12 point ARP fasteners and matched washers with a pack of assembly lube and are designed as an upgrade to the OEM fasteners employed on the 2001-2016 and...

Replace the light weight, leak prone Driver 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. Will work with ANY Turbo...

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...