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Wehrli

Wehrli 01-04 Chevrolet 6.6L Duramax LB7 2in Stainless Up Pipe Kit w/Gaskets - Twin Turbo

$639.00 $619.83 Save $19.17

SKU: W005 WCF100589

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: WCF100589

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 EGTs. This kit is used with twin turbo applications and factory exhaust manifolds or WCFab Duramax Billet Exhaust Manifolds (WCF100363)

Wehrli Custom Fab Up Pipe Kit w/ Gaskets (Twin Turbo), 2in, for 01-04 LB7 Duramax, Stainless

MIA's Description

The Wehrli Custom Fabrication WCF100589 is a 2" Stainless Twin Turbo Up Pipe Kit designed for 2001-2004 LB7 Duramax engines. It replaces OEM up pipes with heavy-duty 11 gauge stainless steel, features stainless bellows, and is intended for twin-turbo applications. Gaskets are included.

Fitment

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Specifications

BrandWehrli
Part NumberW005 WCF100589

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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