Dorman 645-301 3-wire Pigtail 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.

Infiniti Essence Concept kicks off Pebble Beach

The Infiniti Essence Concept kicked off this year’s Pebble Beach Concours d’Elegance This year’s event at Pebble Beach has kicked off with a gala dinner and the US debut of the Infiniti Essence Concept that we saw recently at the Geneva Motor Show. Much bigger than you would expect from a Japanese Coupe, the Infiniti Essence is over 15 feet long and features a 3.7 litre V6 turbo coupled with am electric motor, designed to give a whopping 590bhp. The interior of the Essence is much more Japanese than the outside.

2015 Corvette Z06 first official images

The 2015 Corvette Z06 has made its world debut, and it's incredible. Chevy's claiming "at least 625 hp" from a 6.2-liter supercharged small-block. Unlike with the C6-generation Z06, the removable roof panel from the standard Corvette is retained for Z06 duty and it's available with an automatic transmission for those who can't operate a 7-speed manual.