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      04-05-2013, 04:30 PM   #6
Denk
Lieutenant Colonel
United_States
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Drives: E92 M3 ZCP
Join Date: May 2011
Location: PNW

iTrader: (2)

I noticed better performance on my old PSS's once scrubbed in, same goes for every new tire I've ever put on. Tire pressure is a biggie too.