Application： For Subaru Impreza GC8 WRX/STI w/EJ20T;JDM WRX 2.0L Turbo/STi EJ207 1996-2000 RS 1.100% Brand New, Never U sed or Installed 2.Intercooler pipe:Made of high quality T6061 aluminum 3.T-bolt clamp:Made of High quality stainless steel 4.silicone hose:Made of high quality silicone After market product Intercooler: max. recommended psi: 32psi PSi Drop under 0.2. Other Intercooler usually drop 10 Psi Some are More. Max PSi is 30 Up to 400HP Instruction is not included. Professional installation is highly recommendedIntercooler Kit Include : 3pcs alloy pipe (63mm) 1pcs alloy pipe (51-63mm) 6pcs silicone hoses (1pcs 51mm / 2pcs 63mm / 1pcs 63-70mm / 2pcs 63-76mm) 12pcs T-clamps And small fititngs as on the picture. Pipe Thickness: 1.8 mm