Frontier K&n Air Filters - 33-2324 on 2040-parts.com

Porsche Cayman S Black Edition (2011) first pictures

Worried that Porsche's stripped-out Cayman R is a little too hardcore, but still want its power increase and don't want to pay extra for air-con? Then you want the latest special edition Porsche, the Cayman S Black Edition. Porsche Cayman S Black Edition: the performance mods Limited to 500 copies worldwide, the Black Edition features a range of minor tweaks beyond its dark paint, and top of the list is a tiny 9bhp increase to a Cayman R-matching 326bhp.

Le Mans regulations for 2014 announced

The organisers of the Le Mans 24-hour have announced a raft of radical new rules on the eve of the 2012 race - including the less restricted use of hybrid power for the top-flight LMP1 racers from 2014. The governing ACO (Automobile Club de l'Ouest) unveiled the major changes due in two years' time as the teams start the 80th 24 Heures du Mans event which runs from Saturday 16 - Sunday 17 June 2012. In order to stay in tune with our environmentally-conscious, economically-chastened times, the focus of the alterations is to improve the efficiency of the elite LMP1 cars' technology and cement a link with roadgoing hybrids, as well as making the race cars safer.

AutoWeek office swag: Mazda rotary-engine keychain with realistic motion

When I got the keys to our long-term 2011 Mazda 5 last week, they came with a surprise--this aluminum-and-brass keychain in the shape of a rotary-engine housing, complete with moving rotor. The rotor doesn't just rattle around or spin in a circle. Thanks to a thumbwheel on the back of the housing, coupled with a timing gear and offset crank journal, the thing actually moves in an approximation of epitrochoidal motion just like a real Wankel.