abt sportline created this custom audi r8 that offers 600hp from a 5.2 liter v10 engine.  read more about it here.

gemballa has created a matte black version of the mirage gt, which itself is a custom porsche carerra gt. as with all mirage gt editions, it boasts — 3.7-second 0-to-60, 208 mph top speed, and 670 horses. check out more pics here.