Wehrli WCF Down Pipe Downpipes - WCF100811

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Wehrli GMC/Chevrolet LLY/LBZ/LMM Duramax 6.6L w S400 Single Turbo 3in Down Pipe - Black

Availability: Out of Stock - on backorder and will be dispatched once in stock.

Part number: WCF100811

Manufacturer: Wehrli

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$281.66

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Special order — availability will be confirmed after purchase.

LLY/LBZ/LMM/LML 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.

Wehrli GMC/Chevrolet LLY/LBZ/LMM Duramax 6.6L w S400 Single Turbo 3in Down Pipe - Black

Wehrli Custom Fab Down Pipe, 3in., for LLY/LBZ/LMM/LML Duramax w S400 Single Turbo

Down Pipe, 3in., for LLY/LBZ/LMM/LML Duramax w S400 Single Turbo

DownPipe LLY/LBZ/LMM/LML Dmax S400 Turbo

Turbocharger Down Pipe

For LB7 use WCF100878

DwnPipe LLY-LML S400

Heat Wrap & Clamps

High Temp Coating

3" Down Pipe

V-band Clamp

Made in USA

No confirmed vehicle fitment listed We do not have a vehicle-specific fitment row for this product yet.

This does not automatically mean the part fits every 3000GT or Stealth. Send us your year, drivetrain, turbo/non-turbo status, and part number before ordering if fitment is in question.

Ask fitment help

Wehrli WCF Down Pipe Downpipes - WCF100811

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