Kleemann C63K on ADV.1 Flowspec

Kleemann C63K on ADV.1 Flowspec

Of the AMG cars equipped with the 6.2-liter V-8, the C63 and SLS have the rowdiest exhaust notes. Driving either is like piloting your own personal thunderstorm. Under duress, the engine emits the deep, loud rumbles of an overhead storm cloud. This is a big engine...