Ltz 400 /kfx400 Alba Exhaust Used Muffler on 2040-parts.com

GM, Chrysler, Nissan launch recalls

General Motors is recalling 13,780 of its 2010 and 2011 Buick Lucerne and Cadillac DTS vehicles because of a risk of fire caused by a steering fluid leak. Nissan is recalling 605,000 of its cars for issues with the steering column and batteries. Meanwhile, Chrysler is recalling 16,000 Jeep Liberty SUVs that have a faulty windshield-wiper system.

Honda unveils supercharged CR-Z, 2014 Civic Coupe at SEMA

Hard to tell, but the supercharged tomato you see above represents a fundamental shift within Honda: it is the first car from Honda Performance Development with parts that actually make your car go faster. Honda Performance Development: "We're not just body kits and lowering springs anymore!" After two decades in actual racing development, perhaps it was time. HPD has built engines and chassis for IndyCar, American Le Mans Prototypes, Formula Atlantic, and the Continental Sports Car Challenge.

Forza Motorsport 3: Microsoft's latest offers 100 tracks, 400 cars, 300,000 polygons

Even if you were an international billionaire playboy car collector (and, this being AutoWeek, some of you are), you probably would not own more than 100 or 200 cars. If you could own a racetrack, you probably could not afford more than one. You could not jet around the world on a whim--especially with all those cars--to drive whatever track you were in the mood for at the moment.