GFB 99-00 WRX/STI TMS Respons Blow Off Valve Kit

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Product details

Management number	204464890	Release Date	2025/10/22	List Price	$123.20	Model Number	204464890
Category	Engine Forced Induction Blow Off Valves

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 Instructions

This Part Fits:

Year	Make	Model	Submodel
2004-2005	Subaru	Forester	XT
1999-2000	Subaru	Impreza	L
1999-2000	Subaru	Impreza	Outback
1999-2000	Subaru	Impreza	RS
1998-2000	Subaru	Legacy	Brighton
1998-2002	Subaru	Legacy	GT
1998,2000-2002	Subaru	Legacy	GT Limited
1998-2002	Subaru	Legacy	L
1999	Subaru	Legacy	L 30th Anniversary
1999	Subaru	Legacy	Limited 30th Anniversary
1998-1999	Subaru	Legacy	Outback
1999	Subaru	Legacy	Outback Limited
1998	Subaru	Legacy	Postal
1999	Subaru	Legacy	SUS 30th Anniversary