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Old 03-24-2007, 04:51 AM   #3
sebring boxster
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Join Date: Dec 2006
Location: sebring florida
Posts: 1
amsoil

I have on my 2000 S and I notice a big diff in power and coolant temp very little noise on cold start I also have a cayenne and that as royal purple is ok but not as noticeable as the amsoil in the boxster
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