COBB Tuning - Subaru XLF BPV Bypass Valve (STi 01-20)
Cobb

COBB Tuning - Subaru XLF BPV Bypass Valve (STi 01-20)

In the rangePart no. 712665
Control volume reduction
30%
Clamping force increase
60% at peak boost
Fits
GD Impreza WRX / STI (2000–2007), GG Impreza WRX wagon (2000–2007) + 2 more
Category
Engine & forced induction
All 6 specifications ↓

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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.

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Specifications

Brand
Cobb
Part number
712665
Control volume reduction
30%
Clamping force increase
60% at peak boost
Fits
GD Impreza WRX / STI (2000–2007), GG Impreza WRX wagon (2000–2007), GR-GV Impreza WRX STI (2008–2014), VA WRX / STI (2014–2021)
Category
Engine & forced induction

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

About this part

Cobb's XLF BPV bypass valve (712665) is rated across STI applications from 2001 to 2020, spanning GD/GG through GR/GV and VA chassis under one part number. It cuts internal control volume by 30% and raises clamping force by 60% at peak boost, figures aimed at keeping the valve seated under boost.

Fitment

Confirmed for the chassis below. We list a chassis only where the part is on one of our cars or on the manufacturer’s own application list.

More like this: GD engine and turbo parts (110) · GG engine and turbo parts (89) · GR-GV engine and turbo parts (122) · VA engine and turbo parts (130)

The same part for other cars

We have not run this part ourselves — the ones we have are marked on our cars.