Preferred venting solution for serious street tuners and racers. Big flow and even bigger sound. Easy to install...
Quiet and completely street-legal! A full recirculating BOV, ideal for Subaru enthusiasts who don’t want to be noticed....
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,...
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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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