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The MRT Focus ST Sport Touring Exhaust system is the best bang for your buck and a first go-to mod for your hot hatch! Reduce back pressure, increase exhaust flow and performance with this precision designed replacement for the mid-muffler. This kit will increase the overall exhaust presence for a step-above stock sport performance sound with well pronounced rumbles at idle and an enhanced growl when accelerating.
MRT system for the Ford Focus ST are handcrafted and built to last with corrosion-resistant 2.5" T304 Stainless Steel. The MRT sport touring exhaust sound level is managed by the driver's gas pedal and has just enough elevated sound to Get Noticed, plenty of opportunity to Feel the Performance, and packaged in a design without excessive drone.
Application: 2013 thru 2018 Focus ST 2.3L Ecoboost
If you're looking for more sound with a fuller, deeper, more aggressive note check out the loudest MRT exhaust for your Focus ST -- MRT Extreme Cat Back exhaust (Part # 91J102). For a street race, here I come sound the MRT Street Race Axle Back is the system for you (MRT Part # 91J101).
Hear the Difference
- How does it sound? The MRT Focus ST RD Exhaust #91J103 has a pronounced, rumble sound.
- Is there drone or resonance? The drone is noticeable but tolerable.
- What if I step on it? Wide-open throttle increases exhaust loudness and tone to an aggressive performance sound.
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!
2013-2018 Focus ST MRT RD 91J103
91J101 & 91J103: 13-18 Focus ST MRT Axle back and RD
Product Quality
- What kind of steel is it made from? Corrosion-resistant T304 stainless steel.
- Where is it made? Developed and handcrafted in-house at MRT facility in Plymouth, Michigan, USA.
- How long is the Warranty? Limited Lifetime Warranty (See Warranty Page for Details)
Feel the Performance
- What is the muffler design? Straight through design to provide maximum exhaust gas flow.
- What is the tube diameter? A large 2.5" tube is used for reduced exhaust flow restrictions.
- What are the performance gains? Reducing restriction and maximizing flow provides for noticeable gains.
Get Noticed
- What kind of tip is it? There are no tips on this system.
- What are my tip finish options? None.
- How do I get noticed? Great sound and great looks turn heads and get positive comments!
Installation
- Can I install this myself? Yes, MRT engineers this Premium Exhaust System for a simple do-it-yourself (DIY) installation.
- How long does it take to install? Installation time is about 1 hour and requires only common hand tools.
- What is included? All necessary hardware included.
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Features
- DIY installation for the backyard mechanic
- T304 Stainless Steel for the best corrosion resistance
- Engineered, designed and manufactured in the USA
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