A BMW M5 isn't typically the type of vehicle that needs tuning, but because of regulations on noise and emissions, the latest ...

Removable noise inserts with Lambda probe connectors are standard, just like the carbon fiber heat shields. On the performance side, the (r)evolutionary Akrapovic exhaust system add 3.6 horsepower ...

Made from ultra-lightweight titanium alloy and finished with carbon fiber tailpipes, the Akrapovic Evolution Line exhaust system is a great piece of equipment. Not only is it 13 kilograms (28 ...