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Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe

Part # WCF100129SKU WEHWCF100129

Set your vehicle above for a fit verdict. 4 vehicles listed below.

Specifications
BrandWehrli
Part typeTurbocharger Down Pipe
  • High Temp Black Ceramic Coat Finish
  • Catalyst Back - Emissions Compliant
  • 3.5" High Flow Down Pipe
  • Heat Wrap Pre-installed
  • NO TUNING REQUIRED!
  • Made in USA

Description

Replace the restrictive crushed factory down pipe on your 2017-2025 L5P Duramax with this 3.5" Down Pipe for improved exhaust flow. Connects to the DOC outlet flange behind the OEM turbo and mates with OEM exhaust system front pipe with the 4 bolt style flange connection. Black Ceramic Coated and Heat wrapped. Down Pipe includes bungs for sensors and NO tuning required to use this down pipe. WCFab piping kits and emissions compliant tuning recommended for optimum performance gains.

Fits these vehicles 4

YearMakeModel
2017 - 2025ChevroletSilverado 2500 HD
2017 - 2025ChevroletSilverado 3500 HD
2017 - 2025GMCSierra 2500 HD
2017 - 2025GMCSierra 3500 HD