Schoenfeld Street Stock Headers Circle Track Painted 1 3/4 - 1 7/8" Primaries on 2040-parts.com

One Lap of the Web: Jay Leno does the T-REX, Porsche 912 restoration and cars with swimming pools

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Watch as Jay Leno explores the 2013 Campagna Motors T-REX, a three-wheel, street-legal motorcycle that is insanely fast, especially since one of the powertrain options is a six-cylinder BMW engine and the thing weighs practically nothing.

Audi Urban Concept cars (2011): the first photos

Audi Urban concept Spyder concept car (2011) news Audi Urban concept (2011) CAR review Audi has only teased us so far with sketches of its new city car duo, the Urban Concept and its open-top sister, the Urban Spider Concept. Now it's lifted the lid and issued these first photos of its 2011 Frankfurt motor show debutants. They're tiny electric runabouts, with two seats and an electric powertrain.

2013 Porsche 911 GT3 Cup Revealed

Porsche has revealed the latest version of the 911 GT3 Cup – the first track car from Porsche based on the 991 911 – in Weissach. Porsche has built the new 911 GT3 Cup for its one-make racing series – the Porsche Mobil 1 Supercup – and it comes with plenty of promise for more track success. The GT3 Cup gets a 3.8 litre flat six which delivers 460 horses to the back wheels through a six-speed dog-type ‘box operated by paddles on the steering wheel.