RENNtech C74 Konzept: Dat Ass

Two common Mercedes C63 AMG complaints are: The lack of grip and understated appearance. The RENNtech C74 "Konzept" fixes both problems with a wide-as-Jennifer Lopez rear track and a widebody aero kit that makes the U.S.S. Enterprise look inconspicuous.

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Longtime Benz tuner RENNtech's already worked their magic on the German übersedan to produce the C63 AMG SPEC.R, and this "Konzept" features upgraded cams, new carbon fiber airbox, ported/polished heads, and ECU tuning good for 605 hp and 555 lb-ft of torque.

The real story is not the power. It's the stretched rear. A C63 AMG comes stock with, essentially, bicycle tires (255). The C74 stretches out the rear to 74-inches and throws on a more appropriate set of Nitto INVO 305's out back. According to the company, it'll fit an 11-inch rear if you need all that rubber.

RENNtech C74 Konzept: Dat Ass

The C74, though still a "Konzept" is not, apparently, a "concept" because you can buy the kit starting at $11,950 plus countless speeding tickets. The number also has nothing to do with the car's displacement, just like the real C63.