The standard Mercedes-Benz C63 AMG sedan with its 457HP 6.2-liter naturally aspirated V8 lump is by no means a slow car, but when it comes to the tuning industry, the more ponies under the hood, the merrier. Bypassing the colorful body wrap, which is optional anyway, German tuning firm Wimmer RS starts by upgrading the C63 AMG?s eight-cylinder...

Source: Carscoop Tuning