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2017-2024 Duramax 3.5" Downpipe (WCF100129)

Wehrli Custom Fabrication Part Number: WCF100129
$531.30
$478.17 CAD
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Description

Fits

Year Make Engine
2017-2024
 GM
 L5P 6.6L Duramax


Replace the restrictive crushed factory downpipe on your 2017-2024 L5P Duramax with this 3.5" Downpipe for improved exhaust flow. Black Ceramic Coated and heat-wrapped for thermal protection. Downpipe includes bungs for sensors and NO tuning is required to use this downpipe.

Part Number: WCF100129

Features
  • 3.5" Downpipe
  • Ceramic Coated
  • Heat Wrap Pre-installed
  • NO TUNING REQUIRED

Notes
  • WCFab piping kits and emissions-compliant tuning are recommended for optimum performance gains.
  • Connects to the DOC (Diesel Oxidation Catalyst) outlet flange and mates with OEM exhaust system front pipe with the 4 bolt style flange connection.
  • Replaces the following GM Part Numbers: 12671086

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