FOR 02-07 SUBARU WRX 04-20 STI GOFASTBITS RECIRCULATION BLOW OFF VALVE BOV KIT

Description

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GoFastBits (GFB)
TMS Respons Hybrid Blow Off Valve
Fits 2002-2005 Subaru WRX 2.0L Turbo (EJ205)
Fits 2006-2007 Subaru WRX 2.5L Turbo (EJ255)
Fits 2004-2020 Subaru WRX STI 2.5L Turbo (EJ257)
Fits 2006-2008 Subaru Forester XT 2.5L Turbo (EJ255)
On the surface, it may look like just another dual-port blow-off valve, but the Go Fast Bits Respons is actually much more than that. Featuring GFB’s patented venting bias adjustment system, the Respons allows you to precisely control how much air vents from each of the two outlets.
Why is this so important? Two key reasons: Adjust how loud the blow-off sound is. Recirculate all of the air for silent factory operation, vent it all to atmosphere for maximum noise, or set it anywhere in between to suit your preference. This is the best way to get a blow-off sound without causing stalling, backfiring, or any other BOV-related issues, even on a car with a sensitive airflow meter (MAF). NOTE: If you vent too much air to atmosphere you may notice your vehicle does not run properly, so keep tweaking the GFB BOV settings until your vehicle runs properly.
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Pictures are for display purposes and may not be application specific
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