Ignorance is not always BLISS, sometimes it's militant. Don't worry about it. Ignore him. You arent' going to sell that car to anyone that isnt' looking for one in the first place. Obvioulsy, anyone "looking" for an SRT-6 "SHOULD" already know what it is. He's probably just a pissed off BMW 3 Series owner that got his doors blown off by an "AMG" Crossfire.