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  1. JMS Boost Max Tuner, Custom Tune for F150 EcoBoost

    Rx Speed Works
    We have a a Boost max Tuner by JMS here for sale. It regularly sells for $399 but we are offering it for $389, below is some info on the Boost Max! BoostMAX • Add 90+rwhp to your 3.5L EcoBoost in minutes • Works on all 3.5L EcoBoost Vehicles • Plug and Play Installation • Stackable with JMS...
  2. JMS Boost Max

    F150 Ecoboost Performance
    I installed the JMS Boost Max on my 2013 F150 Crew cab 4x4 with 3.55 rear-end. The Truck at time of Install has 2300 miles on it. My needs were simple. Much better throttle response. Power is not a problem. I contacted JMS both thru E/Mail and a Phone call for a better understanding of the...
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