⭐⭐⭐⭐⭐ REVIEWS Automobile SUPER Fuel Saver Gasoline & Diesel Cars and Trucks Cars Fuels Savings of up to 15% Code Reader Eco-Energy Device OBD2 only Vehicles.

✅ Verified Reviews   Working Principle: Power Upgrade Box is based on OBD2 protocol, which works by remapping and adjusting the car's trip computer. After 150+/- miles of driving, the power upgrade box will automatically adjust to the car's trip computer according to the car owner's driving habits to enhance the engine performance. According to the owner's driving habits, this product can re-adjust the ECU of the trip computer to increase the engine power. It will automatically adjust according to the increase of the car's mileage to adapt to the change of the owner's driving habits to achieve the optimal effect of increasing power.  Specifications: Only for vehicles with 16-pin OBD connector. Color: Black for gasolines vehicles, Red for diesel vehicles Function 1. 35% power improvement 2. 25% torque improvement 3. Reduce fuels consumption by 15% 4. Improve throttle lag 5. Slow down the stutter of gear shifts(This is a theoretical value, mainly depends on car condition and driver's ha