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MRT Extreme Cat Back Exhaust (2013 - 2018 Focus ST) 91J102

MRT Extreme Cat Back Exhaust (2013 - 2018 Focus ST) 91J102

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Item#:
mrt-91j102
$1,079.99
Regular price: $1,079.99
Sale price: $809.99
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MRT Extreme Cat Back Exhaust (91J102) - 2013-2018 Ford Focus ST

Take your 2013-2018 Ford Focus ST to the next level with the MRT Extreme Cat Back Exhaust. Engineered for enthusiasts who demand maximum sound and performance, this system delivers an aggressive rally-inspired exhaust note packed with pops, burbles, and a commanding presence.

Constructed from premium T304 stainless steel, this system features 2.5 inch CNC mandrel-bent tubing designed to reduce back pressure and maximize exhaust flow. The straight-through design improves horsepower and throttle response while maintaining durability and long-term performance. Dual 4 inch double-wall polished stainless steel tips with beveled edges provide a bold, performance-focused appearance, with an optional Black Ops matte finish available for a stealth look.

Equipped with MRT’s Drone Management System, this extreme exhaust setup delivers full-volume performance sound while keeping cabin drone at manageable levels during cruising. It is the ideal balance of aggressive tone and everyday drivability for Focus ST owners who want it all.

Features

  • Extreme sound profile with aggressive rally-inspired tone
  • Constructed from corrosion-resistant T304 stainless steel
  • 2.5 inch CNC mandrel-bent tubing for maximum exhaust flow
  • Straight-through muffler design for improved performance
  • Dual 4 inch double-wall polished stainless steel tips
  • Optional Black Ops matte ceramic tip finish available
  • Includes MRT Drone Management System for reduced cabin drone
  • Enhanced throttle response, horsepower, and exhaust flow
  • Produces pops and burbles under acceleration and deceleration
  • Direct bolt-on installation
  • Engineered and manufactured in the USA
  • Limited lifetime warranty included

Additional Notes

  • Loudness rating: 10 out of 10
  • Drone level: 2, noticeable but controlled
  • Performance rating: 9 out of 10
  • Designed for maximum sound and performance gains

Fitment

- 2013 Ford Focus ST 2.0L EcoBoost
- 2014 Ford Focus ST 2.0L EcoBoost
- 2015 Ford Focus ST 2.0L EcoBoost
- 2016 Ford Focus ST 2.0L EcoBoost
- 2017 Ford Focus ST 2.0L EcoBoost
- 2018 Ford Focus ST 2.0L EcoBoost

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