The F10 BMW M5 has recently released a new aftermarket exhaust, with the super-saloon being gifted with a custom exhaust system by German tuner Eisenmann. The 4.4-liter twin-turbo V8 powerplant has received a stainless steel exhaust that ends with quadruple tailpipes, with customers being offered 90 mm (3 and 1/2 inch) or 102 mm (4-inch) sizes. The tuning company has also released a video that allows us to hear what the engine can do for ... [...]