My understanding is Greg (PRG) started to go into production on these, perhaps making one for his own X. However due to a few manufacturing issues did not/does not continue the line..Wondering if any1 had prgs drive shafts? It replaces the cv joint to a u-joint? Also extended the new drive shaft 3". Also would like to know how hard would it be to install? Does it need to be speed balanced or anything?
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