2.5 Inlet and Outlet. 0.2-0.5 at 15 PSI 2-5 at 35 PSI. 0.50 A/R Compressor Wheel (Cold Side). 25-35 PSI Peak Power Performance Output Capability. T3 turbo kit downpipe+piping bolt on fit bmw 92-98 320i 323i 325i m3 e36 high flow and light weight. The seller is superspeedworldshop and is located in Griffith, Indiana.