Class be damned! Check out these extreme versions of some of the finest ever Rolls-Royce cars...

German tuner Spofec got its hands on a Phantom and went to town on it; it features tailor-made carbon-fibre bodywork a tweaked chassis and engine...

They created a unique control module for its adaptive air suspension which lowers the car by 40mm while the 6.75-litre V12 was poked and prodded to produce 685 horsepower...

This Mansory-fettled Phantom ditches elegance for presence via all sorts of extremities not least those massive 24in wheels...

The German tuner also played around with the Phantom's twin-turbocharged V12; it left the factory with 563 horses but this makes 602...

Corbin Goodwin's 1979 Silver Shadow II is hardly recognizable; he gave the original 6.75-litre V8 a massive twin-scroll turbocharger, added a four-speed manual gearbox, welded the rear differential and mounted the intercooler externally and the radiator in the boot...

It also features King off-road coilovers and wheels from a Porsche Panamera. And just look at that interior... Sir would not be pleased.

Freestyle skier Jon Olssen loves cars and has many - one of which includes a Rolls-Royce Wraith which he calls George...

Not only does its twin-turbo V12 make 810 horses, but just look at that carbon-fibre magnetic roof rack and 24in matte black wheels and well, everything else!

This ratty looking 1958 Rolls-Royce Silver Cloud has had its heart transplanted with a Chevrolet LS7 V8!

Aside from it being LS-powered, it also has a modern independent front suspension, Brembo brakes, a navigation system, air-conditioning, and cruise control!

Here's another Rolls with an engine swap, only this time, this Phantom has the legendary Toyota Supra 3.0-litre straight-six 2JZ-GTE engine under the regal bonnet...

It also has a GTS8555 supercharger and a GReddy T78-33D turbo and makes a whopping 900 horses!

It's Mansory again but this is a more subtle approach for the Dawn which gets a revised front fascia, new LED daytime running lights, front fender vents, side skirts, a rear spoiler, and 22in wheels...

Its 6.6-litre V12 turbo has been tuned to make an extra 170 horses for a total of 740...