3.5" Downpipe Down Pipe For GM GMC Sierra Chevrolet Silverado Duramax L5P 2017-2023
*** IMPORTANT NOTE: Order processing can take up to 1-2 business days. Shipping timeframes start after the order processing has been completed. ***
- 3.5" Stainless Steel Piping
- 20% better flow rate than the factory pipe
- Heat wrap included to help keep engine bay temperatures down
- Greater heat-retention
- Will not affect emissions systems
- Maximum flow for competition applications
- 4-bolt flange, two studs installed
- Completely eliminates the DOC
- *Off-road use only. Custom tuning required*
