Wehrli GM Duramax LB7 S400 Single Turbo 3in Down Pipe

SKU: WCFWCF100878

Turbocharger Down Pipe

WCF Down Pipe...

Wehrli GM Duramax LB7 S400 Single Turbo 3in Down Pipe

SKU: WCFWCF100878

Turbocharger Down Pipe

WCF Down Pipe...

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Description

Wehrli GM Duramax LB7 S400 Single Turbo 3in Down Pipe

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.

Additional Information

Wehrli Custom Fab Down Pipe, 3in., for LB7 Duramax w S400 Single Turbo

Part Type

Turbocharger Down Pipe

Data: v4.2 - Upd: 2026-11-09 15:08:53

Features

3" Down Pipe
For LLY/LBZ/LMM use WCF100811
Heat Wrap & Clamps
High Temp Coating
Made in USA
V-band Clamp

Data: v2 - Desc: v4.2 - Upd: 2026-11-09 03:08:52

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Specifications

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s	Wehrli, Wehrli Custom Fabrication
StreetFX SKU	wcfWCF100878
SFX Item ID	6887423
Accounting SKU	wcf-WCF100878
Manufacturer SKU	WCF100878
Manufacturer UPC	WCF100878