GFB 02-07 WRX / 04-10 STI TMS Respons Blow Off Valve Kit

GFB 02-07 WRX / 04-10 STI TMS Respons Blow Off Valve Kit

Marsoni

M251S

$160.43

Get it in 3 business days with 1 day shipping. Friday, May 29

GFB 02-07 WRX / 04-10 STI TMS Respons Blow Off Valve KitIf 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

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Your GFB 02-07 WRX / 04-10 STI TMS Respons Blow Off Valve Kit orders ship within 1-2 business days.

Delivery Options:

Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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You'll receive a tracking link by email once your GFB 02-07 WRX / 04-10 STI TMS Respons Blow Off Valve Kit ships.

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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I rarely leave Amazon reviews but the quality of this product compelled me. Fantastic quality, perfect size and length, very soft, and professionally wrapped in a nice box with tissue paper and branded sticker. I’ll be keeping this one but I’ll certainly order more as gifts - this is an excellent holiday gift!

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Reviewed in the United States on December 4, 2025

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Jersey Wife

Belleville, US

★★★★★ 5

Beautiful Cashmere Scarf

Color: Camel

Bought this for a mans 75th birthday gift and he loved it. The packaging is beautiful and it is a great price. Looks much more expensive. Its very soft. I would buy more of these.

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Reviewed in the United States on February 16, 2026

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carolyn

Boise, US

★★★★★ 5

Great quality.

Color: Pink

Lovely. Feels great and seems very well made.

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Reviewed in the United States on February 10, 2026

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