Rubbish, you can run an atmospheric BOV, if the car has been mapped not to account for recirculated air, i've seen it done plenty of times on both golf's and a3's.There's a vid of a mk2 with a 1.8t lump in it and standalone management on youtube.
Its not a chip , it is a proper remapp it plugs on to ur ecu then you get it custom mapped on a rolling road thas y I was wondering if it would be better than r tec etc
A place called got boost next to a local race track near me. CommeNt above....WHY ? Would a remap be better