Porsche 911 Bi-Turbo by DKR Tuning

Those owners of the Porsche 911 Turbo who aren’t entirely satisfied that their car really is the powerhouse Porsche claims it is, can turn to German tuner DKR for a €5,529 power upgrade. DKR Tuning optimises the ECU software and fits a new sports exhaust system to garner a forceful 540 bhp/ 402kW and 775Nm from the car’s twin-turbo 3.6-litre boxer engine.After having upgraded the engine one might