2001-2004 Duramax 2" Stainless Twin Turbo Up Pipe Kit (WCF100589)

Replace the lightweight, leak-prone, 1 5/8" OEM up pipes with these HD 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. 

Part Number: WCF100589

• Passenger Side Up Pipe
• Driver Side Up Pipe
• Up Pipe Gaskets (4)

• This kit is for use with twin turbo applications and factory exhaust manifolds or WCFab Duramax Billet Exhaust Manifolds
• WILL NOT clear a conventional downpipe routed behind the engine. Both sides are built nearly symmetrical with no indents for a conventional downpipe to clear.

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