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| Perrin Vent to Atmosphere BOV Kit for 02-07 Subaru WRX & STi
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The Blow-off valve is essential to all turbocharged vehicles. The purpose of the Perrin Subaru WRX & STi Blow-off Valve is to relieve compressor surge without reducing compressor speed. This Perrin VTA BOV for the 02-07 WRX & STi controls boost pressure that is built up by the turbo and vents it into the atmosphere when your Subaru is not under load (in between shifts). This prevents pressure from backing up into the compressor housing, causing the turbo impeller blade to rapidly stop or even worse, to spin backwards (compressor surge or backspin). Doing so can be potentially destructive to the turbine wheel, shaft, and turbo life in your WRX or STi. | |
| If you are looking for the famous blow-off valve noise, this Perrin Vent to Atmosphere BOV Kit is the one for you. With exclusive harmonic amplification cutouts, this Perrin VTA Blow off valve is LOUD! Also, adjustable spring tension helps reduce rough idle and stalling found in other WRX & STi BOV brands. This blow-off valve can NOT be set up to recirculate. If you do want your blow-off valve to recirculate, check out the Perrin Recirculating Blow off Valve Kit for the WRX & STi.
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Shipping costs are calculated upon checkout.
NOTE: This BOV vents to the atmosphere and can NOT be set up to recirculate
FITMENT: 02-07 WRX & STi
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| Description |
Part #: |
MSRP: |
Price: |
Inventory |
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Perrin Black
Vent to Atmosphere BOV |
paPSP-INT-620BK | $220 | $205 | 3 in stock | |
Perrin Red
Vent to Atmosphere BOV |
paPSP-INT-620RD | $220 | $205 | 5 in stock | |
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