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.

Kit Options

This item is available as a full kit.
Select a kit option in the following table if you are looking for this item in a bundle form with all associated components.

Kit option/s:

Thumb	SKU	Kit Title
	wcfWCF100418-SGB	Wehrli 20-24 Chevrolet 6.6L Duramax L5P Stage 3 High Flow Intake Bundle Kit - Semi-Gloss Black (1x wcfWCF100129, 1x wcfWCF100410-SGB, 1x wcfWCF100684-SGB)

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