T304 stainless steel 3" bore collector TIG welded Improved throttle response and gas flow Direct bolt-on on fitment Fits Nissan 180SX/PS13 Silvia/200SX S13 and S14 with SR20DET engine, Nissan R32, R33 & R34 all models ( not  R34 GTT) and Pulsar GTi-R.

T304 stainless steel 60-90mm bore 120mm Diameter 250mm long E 3 (E-103R) Number Will fit Diesel and Gasoline Engines TIG welded Improved throttle response and gas flow Up to 400hp Can be  slightly different then in Pictures