Quiet and completely street-legal! A full recirculating BOV, ideal for Subaru enthusiasts who don’t want to be noticed....
-30%
Turbo XS Racing Bypass Valve for 2002-2007 WRX / 2004+ STI
Specifically designed for MY 2002 - 2007 Subaru WRX and STi's will also fit the 2008+ STI, the...
-30%
Turbo XS RFL Blow Off Valve for 2002-2007 WRX / 2004+ STI
With new and improved styling, the WS-RFL remains true to it's roots - it's still really f'n loud!...
-30%
Turbo XS Recirculation By Pass Valve for 2008-2014 WRX
Specifically designed for MY 2008+ Subaru WRX & 2004+ Legacy GT. The WRX08-RBV requires no adapter kit to...
-30%
Turbo XS Hybrid 50/50 Blow Off Valve for 2008-2014 WRX
TurboXS releases the first Hybrid Blow Off Valve designed specifically tuned for the 2008+ Subaru WRX or 2004+...
-30%
Turbo XS RFL Blow Off Valve for 2008-2014 WRX
The WRX08-RFL or Really F#$%!@ Loud is designed specifically for the owner of a 2008+ WRX who wants...
Preferred venting solution for serious street tuners and racers. Big flow and even bigger sound. Easy to install...
IN THE BOX (1) PERRIN recirculating blow off valve (1') 1/4" Fuel Hose (2.2') 1/2" Fuel Hose All...
IN THE BOX (1) PERRIN recirculating blow off valve (1') 1/4" Fuel Hose (2.2') 1/2" Fuel Hose All...
GUARANTEED TO BE AUTHENTIC HKS In 1994, HKS introduced the first Sequential Blow-Off Valve featuring a unique, pull-type,...
-15%
HKS SSQV4 Kit For 2002-2007 WRX/STI
In 1994, HKS introduced the first Sequential Blow-Off Valve featuring a unique, pull-type, sequential valve structure and a...
In 1994, HKS introduced the first Sequential Blow-Off Valve featuring a unique, pull-type, sequential valve structure and a...
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