The cusco extractor should be in 4-1, and got a ball on the bottom, cusco mark on it, well, quiet nice price, althought it fit to supercharger, actually it do fit to 16v, if 20v have to mod a bit to fit it in.
yesterday i was driving, i encouter the problem of my left speaker suddently got and off. then i adjust (move) a bit of my HU and the recover. ok fews hours back i start my car and drive back home, on the half way...