Originally Posted by phunk

Wired and installed accordingly, you would be able to pass an OBD2 inspection.

Although, you dont have to worry about standalones, there is no true standalone that is proven and tested capable of running the VVEL system (not that I have seen yet). I am sure someone could spend a fortune and get a Motec to do it, but I am not aware of it ever being done.

Dynosty can set you up with a Haltech PnP piggybacking the stock ECU, it will run standalone fuel and ignition tables, with the stock ECU running VVEL and OBD related stuff, and shouldnt have a problem passing emissions.