Maybe people like to be able to clear ramps, speed bumps, parking lot transitions...
There are dozens of reasons NOT to drop a car. Why make a car less functional?
Not really aftermarket, but '11 WRX takeoffs (17x8, +53, Kuhmo 235/45R17) These are 45.5lbs per wheel/tire combo exactly as shown here.
LF looking down
LR looking down
They fight pretty tight to the strut up front. (aprox 3/8" clearance with current tires) Could go with a 225/45 up front and add more clearance but as long as you run a tire that doesn't bulge over the wheel you should be fine.