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GFB 91-98 Nissan Silvia / 90-96 Nissan 300ZX (requires 2 kits) TMS Respons Blow Off Valve Kit

Take control of your blow-off sound with the GFB Respons, featuring a patented venting bias adjustment system. This innovative technology allows you to infinitely vary the amount of air recirculated or vented to atmosphere, ensuring a perfect balance between sound and performance.

By adjusting the venting bias, you can achieve a blow-off sound without the issues of backfiring and stalling commonly associated with fixed-ratio atmosphere-venting BOVs. The Respons utilizes GFB's proven TMS Technology for rapid boost recovery on gearshift and optimum throttle response, withstanding boost pressures of 100 psi plus.

  • Patented Venting Bias Adjustment System
  • Infinitely adjustable between full recirc (silent) and full atmosphere (loud)
  • Change the venting bias simply by twisting the adjustment ring
Make Model Year Type
Chrysler Conquest 1987 Base
Chrysler Conquest 1988 TSi
Mazda 626 1986 GT
Mazda 626 1987 GT
Mazda 626 1988 Turbo
Mazda 626 1988 Turbo 4WS
Mazda 626 1989 Turbo
Mazda 626 1990 GT
Mazda 626 1991 GT
Mazda MX-6 1988 GT
Mazda MX-6 1989 GT
Mazda MX-6 1989 GT 4WS
Mazda MX-6 1990 GT
Mazda MX-6 1990 GT 4WS
Mazda MX-6 1991 GT
Mazda MX-6 1992 GT
Mitsubishi Cordia 1984 Turbo
Mitsubishi Cordia 1985 Turbo
Mitsubishi Cordia 1986 Turbo
Mitsubishi Cordia 1987 Turbo
Mitsubishi Cordia 1988 Turbo
Mitsubishi Starion 1983 Base
Mitsubishi Starion 1983 LS
Mitsubishi Starion 1984 ES
Mitsubishi Starion 1984 LE
Mitsubishi Starion 1984 LS
Mitsubishi Starion 1985 ES
Mitsubishi Starion 1985 ESi
Mitsubishi Starion 1985 LE
Mitsubishi Starion 1985 LS
Mitsubishi Starion 1986 ESi-R
Mitsubishi Starion 1986 LE
Mitsubishi Starion 1987 ESi-R
Mitsubishi Starion 1987 LE
Mitsubishi Starion 1988 ESi
Mitsubishi Starion 1988 ESi-R
Mitsubishi Starion 1989 ESi-R
Nissan 300ZX 1989 Turbo
Nissan 300ZX 1990 Turbo
Nissan 300ZX 1991 Turbo
Nissan 300ZX 1992 Turbo
Nissan 300ZX 1993 Turbo
Nissan 300ZX 1994 Turbo
Nissan 300ZX 1995 Turbo
Nissan 300ZX 1996 Turbo
Subaru Impreza 1997 Brighton
Subaru Impreza 1997 L
Subaru Impreza 1997 Outback
Subaru Impreza 1998 L
Subaru Impreza 1998 Outback
Subaru Impreza 1998 RS
Toyota Celica 1988 All Trac
Toyota Celica 1989 All Trac
Toyota Celica 1990 All Trac
Toyota Celica 1991 All Trac
Toyota Celica 1992 All Trac
Toyota Celica 1993 GTS All Trac
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