JMS Performance Booster BoostMAX Plug-N-Play Race Version Mustang EcoBoost 2.3L 2015-2021



  • Increases Throttle Response
  • Improves Performance
  • Easy Installation
  • Made In The USA

JMS BoostMAX Race Version Plug-N-Play Performance Booster for 2015, 2016, 2017, 2018, 2019, 2020, and 2021 Mustangs with a 2.3L EcoBoost Engine.

Your 2015-2021 Mustang with a 2.3L EcoBoost engine comes off the production line ready to let the horses under its hood run at a full gallop. However, if you’re looking for more speed than your engine can push, this JMS BX600023VR BoostMAX Race Version Plug-N-Play Performance Booster will take your output to an entirely new level. This performance booster is specifically designed to work with your 2015-2021 Mustang that is drinking racing fuel with 100+ octane or 93/94 octane with an octane booster or additive that will bring the total octane up to 100+.

Features and Benefits:
- Increased horsepower and torque
- Race version provides maximum gains
- Takes advantage of 100+ octane fuel
- Straight-forward plug-n-play installation
- Reduce turbo lag and improve acceleration
- Enhance low, mid and high-range power levels
- Adds up to 5PSI of extra boost
- Includes remote boost adjustment knob
- Dial in your exact boost enhancement setting
- Increase fuel economy with normal use
- LEDs help to visually monitor the device status
- Made in the USA

This aftermarket upgrade is manufactured to improve the overall horsepower and torque output pumping out of your Mustang without requiring OBD-II programming. This race version of the popular BoostMAX provides maximum gains by taking advantage of the 100+ octane fuel you’re running. Along with enhancing low, mid and high-range power levels, this booster reduces turbo lag, improves acceleration and adds up to 5PSI of extra boost while increasing fuel economy with normal use. The included LED display will allow you to monitor your device status in real time.

Once the easy, plug-n-play installation is completed, by simply plugging the engine specific wiring harness in, you’ll see an immediate performance improvement. Additionally, you can us the included “Power Knob” to control your boost and power level on the fly by adding 50+ RWHP to your 2.3L EcoBoost engine in minutes.

This Kit Includes:
- BoostMAX Boost Enhancer
- Plug-N-Play Wiring Harness
- Remote Boost Control Knob
- Installation Kit and a Set of Instructions

Installation Kit Contains:
- One (1) Red 87 Octane Plug
- Four (4) Zip Ties
- One (1) Mini Screw-Driver

Tech Tip: This product can easily be stacked with the JMS PedalMAX [P/N: PMAX4 (PX1114F)] to further improve acceleration.

*This performance booster will work with S550 EcoBoost Mustangs with 100+ Octane Fuel or 93/94 Octane Fuel with an Octane Booster or Additive. It is NOT to be used with lower octane levels then what is stated, for non-race applications see (P/N: BMAX6).

California Residents: Proposition 65 Warning

Installation Difficulty


Novice skill is required for this installation.

Vehicle Fitment

This product will fit the following Mustang years:

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