2003 Seadoo Rxdi Exhaust Head Pipe on 2040-parts.com

New details on Mercedes' Porsche 911 fighter

Mercedes-Benz's AMG performance-car division is forging ahead with development of its new twin-turbocharged 4.0-liter V8 powered sports car, nine months before it is scheduled to be revealed at the 2014 German Grand Prix. Known to insiders by its code name, “C190” the two-seat coupe has been conceived to follow in the wheel tracks of the four-year-old SLS at the head of the German carmaker's lineup, aiming to challenge the heady performance and everyday driving appeal of the latest Porsche 911 Turbo at a price that insiders suggest will be in the region of $160,000 when North American sales begin in early 2015. Originally, AMG's new front-engined sports car was tipped to revive the iconic SLC name first used by the SL coupe back in 1971.

Video: GM Europe's Mark Adams answers Twitter questions, gives tips to aspiring designers

GM Europe's vice president of design Mark Adams has given aspiring designers tips to stand out from the crowd with their portfolios in a Twitter Q&A session. In the video session Adams offered advice to one participant who asked, "If there was one piece of advice you would give to someone wanting to become a designer, what would it be and why?". With portfolios, he explained, it's not just about the talent, it's about having the ability to convey your thought process along the way.

Subaru improves EyeSight for 2014

Subaru has updated its EyeSight system for future models. The system integrates adaptive cruise control, pre-collision braking and vehicle lane-departure warnings. The pre-collision system can detect a vehicle in or entering a car's path, and if the driver hasn't applied the brake, the system will do so.