We all know that the most important element of a tuning project hinges on whether the tuning company played around with the car?s engine. Sure, aesthetic and aerodynamic modifications make for great eye candy, but for the most part, the joy still lies on what kind of powertrain upgrades are done on the car.

MR Car Design opted to go to this route with their latest upgrade for the suave and sexy Maserati Quattroporte. With a powertrain that features a 4.6-liter Ferrari V8 engine, MR Car Design gave the engine a software upgrade while also adding a new custom exhaust system, bumping up the luxury saloon?s output from 400 horsepower and 339 lb/ft of torque all the way up to 430 ponies and 361 lb/ft of torque.[...]

Source: topspeed