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greenheckler · 05-15-2012, 07:04 PM

I have seen a few members reference this. Can someone explain what this is and how it helps? Thanks

05-15-2012, 07:04 PM	#1
greenheckler Registered User Join Date: Jan 2012 Location: Orange County, CA Posts: 68	What is the "underspeed pulley" mod? I have seen a few members reference this. Can someone explain what this is and how it helps? Thanks __________________ 2001 Boxster Guards Red