Upgrade Front Mount Intercooler + Pipe Kit + 25psi Blow Off Valve Application: VW Jetta GL/GLS/GLI MK4 1.8T 1998-2005 VW Golf GTI MK4 1.8T 1998-2005 Description: Intercooler Inlet/Outlet: 65mm Core size: 540*180*65mm Full size: 700*180*65mm Made of T6061 aluminum. Comes with hight quality 3PLY(4.5MM) silicone couplers and strong and tighter t-bolt clamp. 4 pcs aluminum pipes (Diameter of the alloy pipes: 3pcs 50mm/ 2"One of the pipes could install BOV and 1pcs 60mm /2.36" ) Pipe Thickness: 1.9MM Temperature Rating: -65F to 500F. Pressure Rating: 120-275 PSI. Pressure Rating: 120-275 PSI Support Up to 400 HP Note: installation Instruction is NOT included. This is an upgrade kit may require additional parts. Additional piping may be required depending on your desired set up.