The current Mercedes-Benz CL63 AMG Black Series holds a 5.5-liter, bi-turbo V8 that produces 536 horsepower. Custom house Famous Parts just tuned a 2009 model to squeeze out 610. The new matte car was also fitted with a widebody kit, sits on 21-inch Brabus wheels, has LED runner lights, and has electronic lowering. We think it's about time for that trip to Germany ... 

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[via Famous Parts]