What's better than driving one fast Lexus on a racetrack? Driving four of them.
http://www.youtube.com/user/gtchannel 's Justin Kaehler test drove the 2014 Lexus IS 350 F Sport, 2014 Lexus IS-F and the Lexus LFA supercar. He also sits shot gun with Toyota/Scion factory driver Ken Gushi in the …