TurboXS RFL Blow Off Valve - WRX 2002-2007 / STI 2004-2017
With new and improved styling, the TurboXS RFL Blow-Off Valve remains true to it's roots - it's still really f'n loud! If you're looking for a loud blow-off valve for your Subaru, this is the perfect one for you.
Like all of Turbosmart's valves, the RFL relieves compressor pressure surge caused by changing gears or backing off the throttle. This valve has been used on turbo charged engines running up to 35 psi boost. If you need to ask how loud it is, this valve is too loud for you! This blow off valve comes everything needed to install to a 2002-2007 WRX or 2004-2016 STi.
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