Snap On Fx-8 3/8 Inch Drive Extension - 8 Inches Long on 2040-parts.com

The 500-hp club: The room is getting crowded

At a time when fuel economy counts for just about everything, there's still a horsepower war raging in the United States. The number of fire-breathing wedge-shaped supercars and hot sedans and coupes that can pump out 500 hp or better has nearly doubled in the past five years to more than 70. A decade ago there were just two members of the 500 hp club in the United States: the Ferrari 575M and Lamborghini Murcielago.

Spied: Cadillac ATS-V and a production 2013 Cadillac ATS on the road

Autoweek reader Christina McNeal shot these photos of a 2013 Cadillac ATS out cruising the highways of Michigan. General Motors' BMW 3-series fighter was finished in a metallic dark blue and wore manufacturer plates. According to its badging, it was powered by Cadillac's 3.6-liter six.

Mazda 3, Mazda 6 get customized for the SEMA Show

We like the look of Mazda's current lineup, from the basic 2 to the sleek 6. Kodo design language has a lot to do with it -- Mazda North American Operations design director Derek Jenkins says that, thanks that Kodo styling, "the Zoom-Zoom genetic code is further being embraced, not buried, through increasingly expressive vehicle design." (Ugh.-ED) We didn't know genetics had anything to do with it, but hey -- tough to argue with the results. Perhaps Kodo's effectiveness is why Mazda's SEMA show concepts are fairly...restrained compared to what other automakers are bringing to Las Vegas.