The A’PEXi SMART Accel Controller offers instant and direct throttle response for vehicles equipped with Electronic Throttle Conrol (ETC) Systems. Throttle response that is delayed from ETC or better known as Drive-by-wire throttle is greatly improved with this simple unit and a vehicle specific plug and play harness installation which is connected between the factory accelerator pedal sensor and wiring harness within a few minutes. Click Here for more info.