i wore a set of HP+ down to the backing plates in one day on a brake intensive track. I'm guessing the HPS would be even worse. probably like the stock ones. My first track outing, I had HP+ in front and stock in the rear and the rears wore to the backing plate in one 20 minute session.
Don't waste your time with anything less than HP+, and even that is a waste if you are experienced.
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NISSAN: 75 280Z / 86 300ZX GLL /87 Sentra SE / 03 350Z / 23 Z
Porsche: 93 968 / 23 Macan GTS / 93 968
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