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mountune MR300 Performance Upgrade w/o Exhaust - Focus ST 2013-2018
mountune MR300 Performance Upgrade w/o Exhaust - Focus ST 2013-2018

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WARNING : California Residents Prop 65 Information
Sale price:$1,899.00
Savings: $400.00

Availability: Usually Ships in 1 to 2 Business Days
Product Code: 2363-300-AC

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mountune MR300 Performance Upgrade w/o Exhaust


Focus ST 2013-2018

The mountune Racing MR300 upgrade offers Focus ST owners the chance to upgrade to a genuine 300HP and 350 lb. ft experience - the highest power and torque output reliably achievable using the OE turbocharger. Touching on our motorsport DNA, our engineers have developed the mountune MR300 upgrade to maximize the performance of the Focus ST while maintaining excellent drivability. The MR300 upgrade includes required hardware along with a revised engine calibration that optimizes power and torque that results in impressive power and response. The MR300 is a complete upgrade package that takes the guesswork out of upgrading your Focus ST to maximum reliable power. Every component included in the MR300 upgrade is of the highest quality and backed by over 35 years of engineering and motorsport success. This kit is designed for those that already have a cat-back exhaust installed on the vehicles.

  • Large-capacity alloy intercooler - 2363-IC-AA or 2363-IC-BA
  • Low-loss cast crossover duct with silicone hose- 2363-CAIS-BB
  • High-flow dual-entry air filter - 2363-AF-AA
  • High-flow charge pipe upgrade kit - 2363-CPK-BLK
  • High-flow silicone induction hose - 2363-IH-BLK
  • mTune handset loaded with MR300 calibration
  • mountune badge set
  • Optional painted on mountune logo can be applied with included stencil


This part has been designed and is intended for off-highway application only. Installation of this part on a vehicle that is driven on public roads may violate U.S. and Canadian laws and regulations relating to emission requirements and motor vehicle safety standards. Click Here for Emissions compliance information.

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