What do you guys think of the co-pilot running with the stock tranny? Worth it?
What do you guys think of the co-pilot running with the stock tranny? Worth it?
2001 2500HD<br />4\" Banks Exhaust<br />EZ Amp/Edge<br />K&N Filter<br />285-75-16 Wrangler Silent Armor<br />16x8 Mojave Teflon AR Wheels