Pypes Violator Dual Exhaust System Sgf11v on 2040-parts.com

Audi prepares a topless R8 GT

With production of the high-performance R8 GT getting under way, Audi is preparing a convertible version of the car. The German automaker released sketches of the R8 GT Spyder on Monday. A full debut is likely at the Frankfurt motor show in September.

Mercedes CLA employs a cat in new advert to demonstrate its aerodynamic shape (video)

It’s the Mercedes CLA sliding cat advert We’re not entirely sure that Mercedes has chosen to focus attention on a cat in a new advert for the CLA to dig at Jaguar’s mickey-take of its chicken advert for Magic Body Control, but it’s definitely the cat that’s front and centre, regardless of the motivation. With the new Mercedes CLA boasting exceptional aerodynamic credentials, Mercedes has employed a stunt cat to slide up and over the CLA to demonstrate just how slippery their new compact saloon is. Already shown on TV in the UK at the weekend (during the new series of Britain’s Got Talent), the moggie in question – William, apparently – glides effortlessly over the CLA’s slippery shape to a soundtrack playing Rossini’s Duetto buffo di due gatti (which you may not think you know, but you do).

One Lap of the Web: Mini challenges Porsche; kit cars; and brand loyalty

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. Mini wished the Porsche 911 a happy 50th anniversary.