Raxiom is in the process of making 2013 style tail lights specifically for the 2010-2012 mustangs, so you get the looks without the gap. One of our AM guys on here may be able to give you a bit more info on it...unless Raxiom is trying to be all secretive about this project of there's haha.
2012 Kona Blue 3.7L V6:
Borla LT headers, O/R h-pipe, Borla S-types, 3.73 gears,
Steeda adjustable UCA w/ mount, BMR LCAs, Airaid CAI,
LCA Relocation brackets, AE driveshaft, GT 80mm TB,
Black 18x9/10 2010 GT500 Wheels w/ Nitto NT555s,
Eibach Sportline Springs/shocks & Koni STR.T Struts