Used 2007 Kawasaki Zx-14 Zx14 Tre Ivan's Time Retarder Eliminator on 2040-parts.com

Watch the Porsche 911 GT3 rear-steering system work

A handful of manufacturers have offered four-wheel steering in the past including Honda, Nissan, BMW, Mitsubishi, Mazda and, most recently, Acura and Porsche. On Monday, suspension expert Elephant Racing uploaded a video to its YouTube channel demonstrating the feature on the 2014 Porsche 911 GT3. In most four-wheel steering cars--Acura and Porsche included—a computer controls the movable rear wheels.

Corvette concepts on display this week at Bowling Green museum

OK, Corvette lovers, here's your chance to view some all-time classic concepts. The 1961 Mako Shark Concept, the 1965 Manta Ray Concept, 1973 Aerovette Concept and 1959 Stingray Racer are all on display this week at the National Corvette Museum in Bowling Green, Ky. It's celebrating its 15th anniversary by showcasing the four concept Corvettes.

Saleen S351 Mustang being prepped

After a tumultuous and sometimes litigious couple of years (which included Steve Saleen the man suing Saleen the company for calling itself Saleen!), Saleen the man, the car and the company with the man again in the driver's seat are back, still in Southern California and still in the bustling Inland Empire burg of Corona to which they all ensconced a few years ago. So what's new? First up is a Saleen 351 Mustang, which was announced at the LA auto show last week.