anyone using a billet rs2 turbo and what are the gains

[rxl]

would like to go billet rs2 turbo and would know if it worth it and what can be done. maby some prices and places where it was done can be posted. dyno charts are also helpfull

[Kiku]

I had billet wheel on rs2 turbo 54 exducer. 1/4 mile with original s2 arv gearbox, 225/45 r17 tyres, 12.6 was the time. Turbo spooled up 300rmp faster. Dyno graph missing..

[Settari]

I also have 6+6 54/77 billet compressor wheel my rs2 turbo, but I have not yet tested it. Hopefully in the summer I can run it

[Jonas_R]

I have the rs2 billet turbo from iroz motorsport, but I not done mapping.