These "Turbo Tips" are screw-on, eBay-marketed widgets for Honda Accords designed to change your exhaust note from four-banger to four-banger-with-some-crap-in-the-pipe. It won't fool anyone. Heinous before-and-after videos below.
Before Moron Modifications
Product: Sold to Accord owners. Car in video: Honda Civic. Sense-making: not a lot.
After Moron Modifications
Yes, ladies and gentlemen, farts are sexy. Run away. Run far, far away.