MRT Street Race DMS Turbo Back Exhaust No Cats (98P112) - 2011-2014 Subaru WRX & STI Sedan
Take your WRX or STI Sedan to the next level with the MRT Street Race DMS Turbo Back Exhaust system. Designed for enthusiasts who demand maximum performance and an aggressive exhaust tone, this no-cat turbo-back setup delivers a deep rumble at idle and an all-out performance roar under throttle.
Constructed from corrosion-resistant T304 stainless steel and featuring full 3 inch mandrel-bent tubing, this system is engineered to maximize exhaust flow and reduce backpressure. The result is improved horsepower, torque, and overall efficiency. MRT’s straight-through design ensures unrestricted flow, while the integrated Drone Management System (DMS) keeps interior drone to a minimum, giving you the perfect balance of performance sound and drivability.
Features
- Full turbo-back exhaust system with no catalytic converters
- Aggressive Street Race exhaust tone with deep rumble
- 3 inch mandrel-bent tubing for maximum exhaust flow
- Straight-through design reduces restriction and increases performance
- Integrated Drone Management System (DMS) minimizes cabin drone
- Improves horsepower, torque, and throttle response
- Quad 4 inch double-wall polished stainless steel tips
- Optional Black Ops matte black tip finish available
- Constructed from corrosion-resistant T304 stainless steel
- Engineered for high-performance and track-focused builds
- DIY-friendly installation with standard hand tools
- Engineered and manufactured in the USA
- Limited lifetime warranty
Additional Notes
- Loudness rating: 7 out of 10
- Drone level: 2 with DMS for controlled interior sound
- Performance rating: 10 out of 10
- No catalytic converters included (NC version)
- Designed for off-road and race use only
Fitment
- 2011 Subaru WRX Sedan 2.5L Turbo
- 2011 Subaru WRX STI Sedan 2.5L Turbo
- 2012 Subaru WRX Sedan 2.5L Turbo
- 2012 Subaru WRX STI Sedan 2.5L Turbo
- 2013 Subaru WRX Sedan 2.5L Turbo
- 2013 Subaru WRX STI Sedan 2.5L Turbo
- 2014 Subaru WRX Sedan 2.5L Turbo
- 2014 Subaru WRX STI Sedan 2.5L Turbo
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

