Our Nissan Sports Cat replaces the standard restrictive catalytic converter with a single piece free flowing Sports Cat allowing for improved exhaust gas flow, increasing horsepower in the process. Features: Non type approved sports cat 315mm length Manufactured from T304 stainless steel 3" bore TIG welded, CNC machined flanges Direct replacement for standard catalytic converter Gaskets and bolts included Fitment: Nissan 180SX/PS13 Silvia/200SX S13, S14 and S15 with SR20DET engine. Will not fit S14a unless used in conjunction with S14 turbo elbow and downpipe. Also fits Nissan Pulsar GTi-R with SR20DET engine. Also fits Nissan R32, R33 & R34 all models (not R34 GTT) and Pulsar GTi-R. Please note: This is a non type approved CAT and as such will not pass an MOT so is sold for off road use only.