FuelX is a state-of-the-art electronic plug-in fuel-injection optimizer for modern engines. It autotunes the engine to optimal parameters, constantly adapting to engine condition, riding style, add-ons (air filter/exhaust), and environmental factors (temperature, humidity, altitude). Benefits: reduced jerkiness/stalling, fewer downshifts, increased torque, better throttle response, cooler engine, and enhanced engine life. Features: 1 Autotune Map, quick plug-and-play installation, water/heat resistant, shock proof, works at any altitude.