Unlock serious, reliable performance from your Ford Ranger with the JB4 plug and play tuner. Delivering gains of up to 50whp and 70wtq on a stock vehicle, this advanced tuning box works alongside the factory ECU to optimise boost, timing and fueling for a sharper throttle response and reduced turbo lag, without needing to flash the ECU. Installation is discreet, the unit is not VIN locked and it can be removed without a trace. Built in the USA and backed by a 5 year warranty, the JB4 is a proven upgrade that Nforcd knows inside out.
- Plug and play piggyback tuner that connects to two easy-access sensors for quick installation
- CANbus OBDII integration for real-time data from the ECU including throttle, timing, AFR, fuel trims, gear and more
- Preloaded with multiple maps including stock bypass, 91 and 93 octane, E85 blend, race fuel, WMI and a user-adjustable custom option
- Boost by gear control for improved launches in lower gears
- Read and delete fault codes within minutes
- OEM-like drivability with smooth, consistent power delivery
- Fuel economy unchanged during normal driving and compatible with all driving modes including towing
- Rugged billet aluminium enclosure for durability
- Not VIN locked so it can be removed and resold later
- Optional JB4 PRO Bluetooth 4.0 smartphone connection for iOS and Android to log up to 40 parameters, switch maps and update firmware
Vehicle fitment
- 2019+ Ford Ranger 2.3L I4 EcoBoost
- 2025+ Ford Ranger 2.7L V6 EcoBoost
- 2023+ Ford Ranger Raptor 3.0L V6 EcoBoost
Looking for a remap alternative for your Ford Ranger? The JB4 tuning box offers big, safe gains with factory-like refinement and complete reversibility. It is compatible with 91 octane fuel or better and supports ethanol blend maps where applicable. Nforcd customers have found this to be a dependable, feature-rich upgrade for everyday driving, towing and performance use.
Order your JB4 from Nforcd today. Prefer professional installation? Fitting is available at Nforcd in Warwickshire. Request a quote at Sales@nforcd.com.