Turbo XS 08-12 WRX RFL Blow off Valve BOV

The WRX08-RFL or "Really F#$%!@ Loud" valve is designed specifically for those who want the loudest vent to atmosphere blow off valve available. At ~115 db at 15 psi, the RFLis the loudest valve on the market. Not only does it look and sound much better than the stock plastic valve with it's polished/anodized aluminum finish, the WRX08-RFL adds function and can hold whatever boost pressure you want to run.