You see, the RA1's are a great and pretty fast tire if I shave them but then they dont really last any longer that MSC's. I have the car set up really well for the RA1's at the moment but am having trouble finding more of them (they are pushing the R888's now) so i was going to try something new. The 265 rears are a bit undersized compared to stock and the 275's I'm running are a bit bigger (circumferance) so the ride height in the rear and the gearing will be a bit different...

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'06 Cayman S -JIC Cross, Quaife, CCW C14 wheels,MPSC's, Milltek cat back, GT3 seats Schroth harnesses, TC design bar, Pagid yellows, GT3 cup brake ducts,de-snorked, vanilla air freshener