I own a 2012 IS250 and am looking to purchase an axle-back exhaust. It's so hard to tell what sounds the best/looks the best from youtube. My car is completely stock, I want something that sounds nice at low RPMs but isnt obnoxious, and on the quieter side as you are cruising on the highway. I have been looking into the Invidia Q300, the Tanabe Medallion or the F-Sport. If you guys have a preference or opinion on any of these please let me know. Sound videos would be great!