3 or 4 channel?
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Join Date: Apr 2007
Location: Colorado Springs, CO
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3 or 4 channel?
I have a 98 A4 Z28, am wanting to put 3.73's in but need info... Do I need a 3 or 4 channel rear? I have ABS, and POSI but no traction control. Also, anyone know of any place near Colorado that would have a used one?