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13-18 Focus ST Ecoboost MRT RD
MRT 304 Stainless Resonator Delete: 2013-2018 Focus ST #91J103
MRT Part# 91J103
Loudness: 9 Drone: 2 Performance: 8
2013 thru 2018 Focus ST Ecoboost
: None Required
Time to Install:
Retail Price: $59.99
The MRT Focus ST RD (Resonator Delete) Exhaust system has a loud, deep muscle car sound and is handcrafted in corrosion-resistant 2.5" T304 Stainless Steel. This is a Resonator Delete straight pipe replacement exhaust system for your Focus. MRT engineered this system with the best sound to match your 13-18 Focus ST. It provides increased performance from increased exhaust flow.
RD is the loudest Focus ST MRT exhaust
with just enough elevated sound to Get Noticed, plenty of opportunity to Feel the Performance, and packaged in a design without excessive drone.
2013 thru 2018 Focus ST Ecoboost
Hear the Difference
How does it sound? The MRT Focus ST RD Exhaust #91J103 has a loud, deep muscle 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
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.
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!
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.
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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