Going with motorcraft stuff can't hurt, but I don't think using non-motorcraft will void your warranty... Nothing wrong with motorcraft though! If you really want to be on the safe side, for for it
Originally Posted by Deftmetal
the red door is required by some race rules to identify the driver
ROTM June '13, PNW Crew #42, SR #245, Rally Rev #02
Last edited by matmatician; 09-20-2012 at 06:39 PM.