Wehrli Twin Turbo Kit S400 Stock for 2001-2004 Duramax LB7 WCFab Red WCFab Red 100570-RED

Name: Wehrli Twin Turbo Kit S400 Stock for 2001-2004 Duramax LB7 WCFab Red WCFab Red 100570-RED
Brand: Wehrli
SKU: W005 100570-RED
Price: 3424.10 USD
Availability: InStock

$3,530.00 $3,424.10 Save $105.90

SKU: W005 100570-RED

In Stock

Ships by Jun 19

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Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Description

The Wehrli 100570-RED is a Candy Red S400/Stock Twin (Compound) Turbo Kit for 2001-2004 LB7 Duramax engines, capable of 1000 RWHP. It includes a 5" intake, 3.5" cold side charge pipe, 3" Y-bridge, 4" steel turbo down pipe, and a coolant overflow tank. This kit is designed for increased horsepower, better fuel mileage, and superior EGT control, suitable for daily driver work trucks and tow rigs. This product cannot ship to the state of California.

Fitment

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Specifications

Brand	Wehrli
Part Number	W005 100570-RED

Videos

2001-2004 LB7 Duramax S400/Stock Twin (Compound) Turbo Kit

2001-2004 LB7 Duramax S300 & S400 Single Turbo Install Kits

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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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