5-7K is normal for me with PS2's on the rear. Alingment is fine, tread wear pattern is fine. I dont autocross the car, but do often drive it the way it was meant to be driven. I am on my thrid set of rear PS2's with probably 1-2K left on them, the fronts still look fine. I suspect I could get four sets of rears to one set of fronts, but next time the rears go, I will replace all four.
Ed
:dance:
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2000 2.7L Boxster 102K; TTP intake, headers, high-flow cats; Dansk high-flow muffler; Autothority ECU chip; TechnoTorque 2; Bilstein coilovers; Racing Dynamics strut brace; stress-bar suspension kit; Aasco lightweight flywheel, B&M short shiftkit; 18" wheels; spare tire delete; OEM GT3 seats; JL audio speakers and subwoofer; Alpine PDX-5/PDX-2 amps; Kenwood DNX8120 CD/DVD/Nav; litronics, deambered
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