Spoon Sports 06-11 Civic Si Throttle Body: 70mm
Part Number: 16400-FD2-020
Inside Continental United States
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Developed 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 54 to 60 and the butterfly opening is increased from 50mm to 56mm. Power output is increased along with throttle response.