4 matching is ideal but 2+2 is okay. I've been running street & track different fronts from rears for a couple of years. You'll not get your best performance on the track but for highway cruising you're just fine.
My opinion, don't quote me.
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James now has: 2008 987S 6 speed
Crashed: 2010 987.2 pdk in speed yellow!
Sold to a cool racer chick: 2004 986 S
YouTube channel: the PORSCHE as seen by NewArt
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