The MRT Street Race Cat-Back system for the Durango SRT/Hellcat is a perfect match for your ride's muscle car inspired design. This system will increase your street presence with an aggressive, get-noticed exhaust tone that is present at all times. You'll get the roar and rumble that you want from your muscle car, with minimal drone.
High quality engineering deserves the best designed parts, so we hand-craft these systems from corrosion resistant T304 Stainless Steel and 3" mandrel-bent tubes. The design delivers the best performance sound as well as increase exhaust flow. Choose between classic polished SS 4" tips or a unique Black Ops black matte tip finish, available for an additional fee. Easy to install and requiring no special tunes, after a short pit stop you'll be back on the road turning heads.*
*Note: This application may require the removal of the spare tire.*For Durango customers with factory-installed Active & Dual Mode Exhaust valves, MRT offers and recommends a simple solution that allows you to upgrade your exhaust system without having to develop a tune. For more information on these plates, refer to
MRT Part #92G155 or simply add to your shopping cart before checkout.
Application: 2018-25 Durango SRT, 6.4L V8 engine, 2021 Durango SRT Hellcat 6.2L V8
Hear the Difference ![]()
How does it sound? MRT Street Race Cat-Back gives an aggressive, get noticed tone that is present at all times![]()
Is there drone or resonance? Minimal drone.![]()
What if I step on it? Wide-open throttle brings out a more lively attitude with more exhaust sound, bit, and a deeper growl.
Are you located close to Plymouth, MI, and need your MRT aftermarket exhaust installed? Call MRT at 734-455-5807 to make an appointment today!
How does it sound? MRT Street Race Cat-Back gives an aggressive, get noticed tone that is present at all times
Is there drone or resonance? Minimal drone.
What if I step on it? Wide-open throttle brings out a more lively attitude with more exhaust sound, bit, and a deeper growl.
