GFB - Respons TMS BOV + Short Shift Kit + Pulley Package - (STi 03-07)

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Does it fit?

Shift throw: 55mm (2.15") 3rd-4th, shortest setting
Material: 6061-T6 billet aluminium (pulleys), anodised
Boost recovery: Up to 30% faster than factory diverter valve
Fits: GD Impreza WRX / STI (2000–2007), GG Impreza WRX wagon (2000–2007)
Category: Intake & exhaust

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We can’t take an order yet — supply is still being arranged. Ask, and we will tell you what we know about it and let you know when it is available. What people ask for is what we range first.

Fitment is confirmed, not guessed
A chassis is listed only where the part is on one of our cars or on the manufacturer’s own application list.
Some of this is on our cars
Parts marked On our cars are ones we race. Those descriptions are written from running them, not from a brochure.
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Specifications

Brand: GFB
Shift throw: 55mm (2.15") 3rd-4th, shortest setting
Material: 6061-T6 billet aluminium (pulleys), anodised
Boost recovery: Up to 30% faster than factory diverter valve
In the box: Crank, alternator & power steering pulleys, 2 belts
Standard: ISO 9001 manufactured
Fits: GD Impreza WRX / STI (2000–2007), GG Impreza WRX wagon (2000–2007)
Category: Intake & exhaust

Figures as published for this part; fitment is only what we have confirmed. Check critical dimensions against your car before ordering.

About this part

GFB's Respons TMS BOV, short shift kit and pulley package is built for the 2003–2007 STi, combining a dual-port blow-off valve with a 55mm third-to-fourth shift throw at its shortest setting and 6061-T6 billet aluminium pulleys for the crank, alternator and power steering, plus two belts. GFB's TMS valve recirculates rather than dumping the full charge to atmosphere, which is what keeps a MAF-metered car from stalling or stumbling after a lift.