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Old 03-12-2010, 11:22 AM   #1
vertdust
Registered User
 
Join Date: Nov 2009
Location: East Coast
Posts: 71
My Ride: e46 vert
opinion needed: UUC underdrive pulleys

are they worth it? I am getting my water pump replaced and thought maybe I could put these in as well. however, all the stuff I've read seem to indicate the gains are theoretical, if any. Does anyone else have an opinion on this?
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Last edited by vertdust; 03-12-2010 at 11:47 AM.
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