20mm Sport PASM parts for standard PASM
We can't order the 20mm suspension for 09 C4s cab here in U.S.
So besides a change-over to Damptronics .... why not just order Sport PASM Porsche parts and do the conversion? Would it be that much dif in price than the Bilsteins?
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GreggT http://www.drivingfanatic.com/