The JB4 is the proven, reversible piggyback tuner for Ford Explorer EcoBoost engines - no ECU flash, no VIN lock, no dealer visit. Works straight out of the box on UK-spec 2.3L I4, 3.0L V6 ST and 3.5L V6 models.
Up to 100hp & 120lb ft torque at the wheels on stock hardware
Fully compatible with all driving modes including towing and factory safety systems
Real-time OBDII monitoring: boost, AFR, knock, fuel trims, throttle position by gear
Preloaded maps for 91/93 RON, E85, race fuel and valet mode - adjustable via free app
