GFB Respons is an adjustable blow off valve which is half venting and half plumb back.

• Performance AND sound without compromise!
• Adjust the volume of your blow-off sound
• Up to 30% faster boost recovery on gearshift
• Get the blow off sound without the hassles - even on sensitive MAF-based systems
• Hold unlimited boost pressure
• Direct bolt-on

Vehicle Application:

• Subaru STi MY03-07 GD 206kw Petrol Engine AWD Sedan 10/05-12/07
• Subaru STi MY03-07 GD 206kw Petrol Engine AWD Sedan 10/05-12/07
• Subaru STi MY03-07 GDG 221kw Petrol Engine AWD Sedan 04/06-04/07
• Subaru STi MY03-07 GD 221kw Petrol Engine AWD Sedan 10/05-04/07
• Subaru STi MY03-07 GG 195kw Petrol Engine AWD Hatchback 12/02-09/05
• Subaru STi MY03-07 GD 195kw Petrol Engine AWD Sedan 12/02-09/05
• Subaru STi MY08-13 GE 221kw Petrol Engine AWD Hatchback 01/08-12/11
• Subaru STi MY08-13 GR 221kw Petrol Engine AWD Hatchback 08/07-12/11
• Subaru STi MY08-13 GRB 221kw Petrol Engine AWD Sedan 01/08-12/11
• Subaru WRX MY01-02 (aka "bugeye") GD 160kw Petrol Engine AWD Sedan 10/00-11/02
• Subaru WRX MY01-02 (aka "bugeye") GD 150kw Petrol Engine AWD Sedan 12/01-11/02
• Subaru WRX MY03-05 (aka "peanut eye") GD 168kw Petrol Engine AWD Sedan 12/02-09/05
• Subaru WRX MY03-05 (aka "peanut eye") GG 168kw Petrol Engine AWD Hatchback 12/02-09/05
• Subaru WRX MY03-05 (aka "peanut eye") GD 160kw Petrol Engine AWD Sedan 10/00-11/02
• Subaru WRX MY06-07 GDG 169kw Petrol Engine AWD Sedan 04/06-04/07
• Subaru WRX MY06-07 GD 169kw Petrol Engine AWD Sedan 10/05-12/07
• Subaru WRX MY06-07 GGG 169kw Petrol Engine AWD Hatchback 04/06-04/07
• Subaru WRX MY06-07 GDG 221kw Petrol Engine AWD Sedan 04/06-04/07
• Subaru XT MY05-08 (series II) SG 169kw Petrol Engine AWD Closed Off-Road Vehicle 06/05-12/08
• Subaru STi 2014-on GJ 221kw Petrol Engine AWD Sedan 01/14-on