Hankook RS-3 or Kumho Ectsa XS give the most grip. When I am too lazy to put on the r-comp track wheels/tires, I use my street wheels with RS-3's for track days and only give up a few seconds a lap as compared to the r-comps.
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1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
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