EVC ELECTRONIC THROTTLE CONTROLLER FOR HONDA CIVIC FD FK FN R20Z1 K20A K20Z2 K20Z4 N22A2 2.0 2.2 I4Modern vehicles rely on 'fly by wire' throttle technology to measure pedal pressure & position to send signals to the engine's computer and convert it to acceleration. Many of these systems have a noticeable delay. EVC throttle controller reduces this lag and improves response to make the acceleration feel more responsive. Key Features: Eliminates throttle lag. Increases throttle response. Improves overall drivability. Four performance modes. Twenty