The high-performance stainless steel exhaust systems from Sinister Diesel are designed to maximize your 2011-2019 GM Duramax truck's horsepower and deliver more torque to the wheels without any check engine light or need for a tuner. Each exhaust kit is precision cut and bent from 409 Stainless Steel for high corrosion resistance and easily bolts together using the included hardware and gaskets. This DPF-back 5-inch LML/LPL Duramax diesel exhaust kit comes with all the components that you need to install this exhaust kit for any cab and bed size configuration.; This exhaust kit includes a Sinister Diesel rolled edge 5 to 6" Tip. You can select from the dropdown menu to upgrade to one if you prefer!, Includes:(1) DPF-Back Exhaust System, (1) Sinister Diesel 5 to 6" Rolled Edge Polished Exhaust Tip, Installation Hardware and Gaskets.
