Spoon Sports 17- Current Civic Type R FK8 /FL5 Venturi Throttle BodyDeveloped from extensive testing of throttle body shapes to achieve the greatest effect. The Spoon throttle body increases efficiency with a venturi shape and a polished surface to reduce air resistance. A larger diameter throttle butterfly is used to complement the larger opening and has the same durability as the OEM material. The throttle body opening is increased from 62 to 70 and the butterfly opening is increased from 62 to 65. Power output is