With the introduction of the Lexus RC 350 F Sport, which made its world debut earlier this year at the 2014 Geneva International Motor Show, the Japanese carmaker adds to its lineup of RC coupes. The new two-door coupe’s aggressive exterior styling is borrowed from the LF-CC concept that debuted at the 2012 Paris Motor Show. Lexus built the new model on the GS sedan platform, with the same width as the GS but a wheelbase in between those of the GS and IS models, which helps improve the new car’s handling. Aest…