MODULE RANGER 4.0L MAN

Performance tuning module for Ford vehicles that plugs into the factory computer externally. Adds up to 30 horsepower by optimizing ignition spark advance, air to fuel ratios, and transmission shifting. Features Dynamic Spectrum Tuning for optimal performance across the entire power band. Suitable for towing, SUV, street performance, and everyday driving applications. Can improve mileage with regular fuel, but mid-grade or better is recommended for optimal performance. Improves throttle response, acceleration, and low-end torque. Simple, plug-in installation in less than 30 minutes. Works with aftermarket intake and exhaust systems, mass air sensors, TBI spacers, etc. 50 state smog legal.