Product Info
Product Info
2017-2023 Chevy L5P 3.5" Downpipe is a truck-specific downpipe option for the application shown in the title.
Confirm the listed year, make, model, engine, and any truck-specific configuration before purchasing. The exact contents and fitment depend on the options selected on this product page.
Fits
| Year | Make | Engine |
| 2017-2023 | GM | L5P 6.6L Duramax |
Ready to elevate your L5P Duramax? Look no further than the enhanced 3.5" L5P Downpipe. Bid adieu to the restrictive stock L5P downpipe that's sending your EGTs through the roof and robbing your ride of its power.
Fitment and Ordering
Match the product to the year, make, model, engine, and truck configuration shown in the title and product options.
Installation Notes
Confirm the turbo and exhaust connection for the listed year range before installation. Professional installation is recommended when vehicle-specific access or modifications are required.
Fitment and Options
Options on this page are tied to real Shopify variants. Unavailable combinations are disabled automatically, and the cart receives the exact selected variant.
Shipping
Shipping options and delivery times are shown at checkout. Fast air shipping may be available at checkout. Some tuning, custom-order, and VIN-matched items may require extra processing time.
Returns
Electrical, tuning, special-order, and used/installed items may have special return limits. Contact support before ordering if you are unsure.
Unlimited Diesels
Built to help you order the right diesel setup.
1Select the exact product options that match your truck.
2For tuners, tunes, and bundles, verify the VIN and add modification notes.
3Add matching support parts below the product when they are needed.
4Review the cart, then checkout with the exact selected variants.