I'm thinking I may go with the PS91 as well. I'm usually the first to say, "Buy once, cry once" but I've found that even some of the bargain bin tires can be used for spirited driving. My own personal experience with a off brand were the Fuzion Sport UHP tires and I've used them on the Dragon(US129) as well as Devil's Triangle HOWEVER that being said this is my first high horsepower application so I may just save up for the Mich PSS. My vehicle is not a track weapon, it's a DD with occasional spirited driving and once the fuel pump and oil cooler are installed, auto-x.
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“The only thing necessary for the triumph of evil is for good men to do nothing.”- Edmund Burke 
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