Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Listen: Upcoming Ford Focus ST to employ sound symposer

While BMW employs a digitally sanitized/perfected sound file to give M5 owners the proper sense of aggro urgency when motoring at pace, Porsche went a little more organic with its employment of a sound symposer to feed the 911's flat-six growl into the cabin of the extra-refined 991. Essentially, the sound symposer is an electrically controlled diaphragm in a tuned sound tube that brings the proper engine noises into the passenger compartment. It can be opened and closed by the car's onboard electronics to offer snarl when you want it and serenity when you don't.

Citroen C4 Picasso five-seat

This is the new five-seat version of the C4 Picasso following the seven-seat model shown at the Paris Motor Show, which will now to be known as the Grand C4 Picasso. Naturally enough then, the two cars will compete with the standard and Grand Renault Scenics, the new Citroen C4 Picasso also tackling the handsome Volkswagen Golf Plus. The C4 Picasso shares its front half with its bigger stablemate while the rear has become more fastback in style, blackened pillars and dipping beltline also reminding of the Citroen C-Sportlounge concept.

Ford Ka (2009) unveiled: first photos

By Ben Pulman and Ben Barry First Official Pictures 01 August 2008 00:01 Ford’s Ka – the cheeky, lovable and classless city car – is back. Still called Ka, the new model will make its show debut at Paris in autumn 2008, before going on sale in the UK by the end of the year. The underpinnings are, of course, from the Fiat 500, but Blue Oval engineers have tweaked the chassis to give the Ka a proper Ford feel, they say.