TurboXS Blow Off Valve - Type H-RFL - is the blow off valve you are referring to, correct? TurboXS Racing Bypass Valve Type H34 - is this basically a replacement for the recircs? "the TurboXS Racing Bypass Valve is designed for 'bolt-on' replacement of many late-model stock OEM bypass valves including Mitsubishi Eclipse/Talon and 3000GT/Stealth, Nissan 300ZX TT, and Subaru WRX. "