1947 Cadillac 346 Crankshaft 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.

2014 Performance Car Show Ready For Action

BRITAIN’S Best Driver’s Cars will take to the Live Action Arena at the Performance Car Show, running alongside Autosport International at Birmingham’s NEC from 9-12 January. Led by supercars such as the 468bhp Porsche 911 GT3 and the Aston Martin V12 Vantage S, ten cars will parade through the 5,000-seat Live Action Arena. Also assembling in the arena will be the Mercedes-Benz A 45 AMG, featuring the most powerful four-cylinder engine in production, as well as the Toyota GT86, Jaguar F-Type S, Porsche Cayman S and Ford Fiesta ST Mountune.

Citroen DS3 Red editions (2013) pictures and details

Citroen has kicked off the new year with a special edition DS3. The DStyle Red and DSport Red follow the usual special edition recipe: new colours, more kit, and less cash. But would you put up with that bright splash of red to score better value for money?