This exists, I cannot otherwise begin to describe what I have witnessed.
Currently on eBay with starting bid at $100,000
Description from site:
"The Quadro is Street Legal and is powered by an Ultima 113 cubic inch motor with a Ultima 5-speed transmission. It has a Custom Exhaust, 24" Dub Revolution Spinning wheels with matching painted background accents, Valor flip-out cd/dvd player, 4 water-resistant polk audio 4" component speakers in the fenders all backed with a 10" Rockford Fosgate P3S behind the see thru glass with a Rockford Fosgate 500 watt amp that is housed the trunk. Gucci seat and handle bar grips, Candy paint, Custom diamond plate floorboards and lots of chrome really turn heads."
Link to JG's Customs
Description from the auction listing:
"The next hottest thing on the streets. JG'S Customs.com can build you a One-Off Custom Quadro. It is a patented all new street legal machine with independent suspension front and rear, aluminum frame, fiberglass body, big wheels, radio system, flashy paint and guaranteed to turn heads. With a 125hp V-Twin motor and a five speed transmission w/reverse this beast will scream down the road. Very safe as opposed to 2 or 3 wheels and if you are looking for a nice cruiser this is your machine. I am taking orders with a $60,000 deposit (for parts) and the remaining balance will be due when Quadro is picked up also customer will receive title in hand. Customer can choose paint colors, wheels and upholstery. Building time is approx 4 months give or take. I have the only one in the world so if you would like me to build you one let me know. 850-294-9657"