Long time no see, all. I was busy playing in Forza Motorsport 4 and Shift 2 Unleashed, and the latter gave me inspiration to make this kart, a replica of the Team Need For Speed Mazda RX-7 WORKS race car piloted by "Mad Mike" Whiddett in-game.
Some screens of the actual car for you:
And now for the kart:
(NOTE: I took some creative liberties with the rear, since I ran out of stickers.)
Check out the creation page here:
There's also a remixable base version of this kart without the Need For Speed sponsor decals, so remix that at your will.