WC Fab Billet Exhaust Manifold & Stainless Up Pipe Kit - 2001-2004 GM Duramax LB7

Product Name: WC Fab Billet Exhaust Manifold & Stainless Up Pipe Kit - 2001-2004 GM Duramax LB7
Manufacturer: WC Fab
Manufacturer Part #: WCF100174
Thoroughbred Diesel Part #: WCF100174
Fitment Notes: 2001-2004 GM Duramax LB7

Upgrade the Exhaust Manifolds and Up Pipes on your 2001-20024 LB7 Duramax to WCFab's Billet Exhaust Manifold & 2" Stainless Up Pipe Kit.

WCFab’s Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components designed to enhance exhaust flow characteristics, improving turbo spool up, lowering EGTs and increasing power and economy. These manifolds are exhaust port gasket matched and internally divided for optimal flow with OEM or ported cylinder heads. Includes new gaskets, ARP 12PT fasteners, and assembly lube for easy install (up pipe fastener kits sold separately). Finished in Black Ceramic Coat rated for 1800°F.

WCFab's Up Pipe Kit replaces the lightweight 16G, leak-prone, 1 5/8" OEM up pipes with our 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 EGTs. This kit is for use with single turbo applications and factory exhaust manifolds.

Manifold replaces the following GM Part Numbers: 12637647, 12624683, 97224587

Combines the following individual part numbers: WCF100363, WCF100590, WCF100240 (qty. 2). Saves $ and shipping costs vs. buying items individually.

Note (Current WC Fab Lead Times):

• In Stock Items: 7-10 Business Days
• Most Built to Order Powder Coasted Items: 10-15 Business Days
• Traction Bars: 10-15 Business Days

WC Fab Billet Exhaust Manifold & Stainless Up Pipe Kit Features:

• Fully TIG Welded, CNC machined billet steel exhaust manifolds
• Fully TIG Welded 11 GA Stainless Steel Construction Heavy Duty Up Pipes
• Manifolds finished in Black Ceramic Coat rated for 1800°F
• Includes new gaskets for manifold to cylinder head and manifold to up pipe
• Includes ARP 12PT Fasteners and washers for installation to cylinder head and up pipes.
• 1/8 NPT ports (and optional plugs) included in driver and passenger side manifold for installation of EGT or drive pressure sensors
• Made in USA
• No tuning required
• For more information on WCFab call us at 1-859-737-4966.