For seven thousand quid over the price of a Vauxhall VXR8 โ€” that's the UK version of the Aussie Holden HSV Clubsport R8 โ€” muscle-headed Britons can get a kit that boosts horsepower from 412 to 540. By kit, we mean a supercharger and other nondisclosed hardware. It means a tarmac-smoking hooligan that can keep up with supercars is available on the isle for under ยฃ40,000. Over there, that's a bargain. [Carscoop via Autoblog]