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Wehrli Custom Fabrication
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Wehrli Custom Fabrication 2017-2024 L5P Duramax 3.5" Down Pipe - WCF100129

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WCF100129
  • 3.5" Steel Down Pipe
  • High Temp Black Ceramic Coat Finish
  • Heat Wrap Pre-installed
  • Catalyst Back - Emissions Compliant
  • NO TUNING REQUIRED!
  • Made in USA
Availability: In Stock. Ships in 3-5 business days.
Shipping: This product cannot ship to California.
Was: $335.00
Sale: $324.95
Save: 3%
Save: $10.05

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Description

Replace the restrictive crushed factory downpipe / front pipe on your 2017-2024 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck with this 3.5" Down Pipe for improved exhaust flow.  Fabricated steel construction. Black High Temp Ceramic Coating with Heat wrap for thermal protection.  Includes bungs for sensors. NO tuning required. 

***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

WCFab piping kits and emissions-compliant tuning recommended for optimum performance gains.

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Shipping Information

  • Item Requires Shipping
  • 11.0 lbs.
  • W10.0000” x H10.0000” x L30.0000”
  • Free Shipping - Ground
  • This item ships in its own box.
  • This product cannot ship to California.

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