I own one of the loudest and most obnoxious sounding cars in recent history--a new Challenger HellCat--and it gets frickin LOUD. But my buddy was just over today with his all-stock, mint '67 Camaro--totally stock with a 327 and automatic, and you could barely hear it running--he's getting ready to put it away for the winter, so this was kind of a "final cruise" for the season. We were talking about this trend--any new "performance" or "sport" model from pretty much any manufacture are getting louder and louder--in stock configuration--not just Vettes, my HellCat, Camaros, Mustangs--but even the "rice rods" and marques like BMW and Benz. Has "exhaust note" become that much of a selling point? Just wonderin'