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I have been getting 20 - 25 track days out of my OEM ones ( with Pagid yellows). I get about 70% through the thickness spec and then I don't the the level of cracks that appear...
On my 3rd set.
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2011 e92 M3 Monte Carlo Blue ESS 535 - gone but not forgotten
2015 cayman GTS - new toy
2006 SLK 55 AMG sold
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