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Show your support with a Thoroughbred Diesel t-shirt, sweatshirt, or sticker decal.
Thoroughbred Sku #: WCF100129
$334.65
2017 - 2021 Chevy Silverado 2500
2017 - 2021 Chevy Silverado 3500
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Product Name: WC Fab Down Pipe, 3.5 inch Manufacturer: WC Fab Manufacturer Part #: 100129 Thoroughbred Diesel Part #: WCF100129 Fitment Notes: 2017-2024 GM Duramax L5P L5P
2017-2025 L5P DURAMAX 3.5" DOWN PIPE, 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.
Note (Current WC Fab Lead Times):
Features:
Here are the installation instructions:
https://www.thoroughbreddiesel.com/assets/1/pdf/wcf-100129-install.pdf