GREDDY SURGE TANK FOR NISSAN SILVIA 180SX S14 S15 13522318Brand GREDDY Product Number 13522318 Compatible Car NISSAN SILVIA 180SX S14 S15 Product Description Compatible Engine: SR20DET Remarks Option settings: surge tank for piping set (genuine throttle Pulsar throttle specific settings) N15 separately Nissan genuine parts for the Pulsar throttle (N15 Pulsar throttle, throttle sensor switch, throttle chamber gasket) is necessary non reusable parts: intake manifold gaskets, AAC valve gasket, a throttle