If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with the issues. Like all GFB valves, the Respons utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as the ability to withstand boost pressures of 100psi+. Put simply, it can hold more boost than any turbo could produce.
Installation InstructionsThis Part Fits:
| Year |
Make |
Model |
Submodel |
| 2004-2005 |
Mazda |
Miata |
Mazdaspeed |
| 1994-1995 |
Subaru |
Impreza |
Base |
| 1996 |
Subaru |
Impreza |
Brighton |
| 1994-1996 |
Subaru |
Impreza |
L |
| 1994 |
Subaru |
Impreza |
LS |
| 1995-1996 |
Subaru |
Impreza |
LX |
| 1995-1996 |
Subaru |
Impreza |
Outback |
| 1993-1998 |
Toyota |
Supra |
Base |
| 1993-1998 |
Toyota |
Supra |
Twin Turbo |
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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Fitment Guarantee:
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Avoid the headache of the wrong part. If you are unsure about compatibility, contact us first. If we verify the fitment for your vehicle via email and it doesn’t fit, we will handle the exchange at no cost to you.
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Fitment Guarantee
Fitment guides and tools are helpful—but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double-check for you. We take the guesswork out of your purchase by standing behind our expertise.
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