Description
TurboXS RBV Blow Off Valve Kit Subaru WRX 2002 2007 STI 2004 2021 EVO_2003 2006 That means that you can That means that you can now use this gauge with your stock narrow band O2 sensor or use it with a control unit like innovate to display a 0 5v signal Wore out your ACT Performance Street Sprung Replacement Disc for the Subaru STI (3000503) and don't want to spend all the cash on a new clutch kit