Exhaust Downpipe For 2017-2023 Chevy Silverado GMC Sierra L5P 6.6L

Upgrade your 2017–2023 Chevy Silverado or GMC Sierra 2500HD/3500HD 6.6L L5P Duramax with the Dynofit 3.5-inch Exhaust Downpipe. Made from mirror-polished stainless steel, it is designed to provide up to 20% better flow than the factory pipe. The included heat wrap helps manage engine bay temperatures, while the 4-bolt flange and direct bolt-on design support a straightforward installation. For 2WD models only; not compatible with Cab & Chassis trucks.

Fitment:

• 2017–2023 Chevrolet Silverado 2500HD — 6.6L Duramax V8 Diesel

• 2017–2023 Chevrolet Silverado 3500HD — 6.6L Duramax V8 Diesel

• 2017–2023 GMC Sierra 2500HD — 6.6L Duramax V8 Diesel

• 2017–2023 GMC Sierra 3500HD — 6.6L Duramax V8 Diesel

Note: Will not fit Cab & Chassis trucks.

2WD Only

Specification:

• Application:  L5P Downpipe Exhaust 

• Material: Stainless Steel 

• Surface: Mirror Polish

• Size: 3.5"

Feature:

• 20% better flow than the factory pipe

• Heat wrap included keeping engine bay temperatures down

• Greater heat-retention

• Will not affect emissions systems 

• Maximum flow for competition applications

• 4-bolt flange, two studs installed

Notes:

• Professional Installation is Highly Recommended

• Installation Instruction is not Included

• CA Residents WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov