Toyota Crown 1999 Rear Muffler [1322500] on 2040-parts.com

Callaway introduces Camaro Z/28 SC652

The paint on the logo of the Chevy Camaro Z/28 isn’t even dry yet, and American tuner Callaway is already licking its chops in anticipation. The company says it can take that already-badass Z/28 and boost it to 652 hp, hence the name. To get the extra power, Callaway adds an Eaton TVS2300 supercharger to the LS7, a liquid-to-air intercooler, bigger fuel injectors, carbon injector covers, high-flow intake, low restriction exhaust, embroidered floor mats, door sill panels, badging, plaques, a Callaway key fob and a three-year, 36,000-mile warranty.

General Motors spending $131 million to upgrade Corvette plant

General Motors is spending $131 million on its Bowling Green, Ky., assembly plant to prepare it to build the next-generation Corvette. The plant will spend the money on manufacturing equipment, specialized tooling and plant updates, said Mark Reuss, GM's president of North America. The plant will add about 250 jobs, which will boost its workforce by about 50 percent, to about 750 workers.

Smart Fourjoy concept revealed ahead of Frankfurt motor show

Smart will preview its upcoming second-generation Forfour at next week's Frankfurt motor show when it shows the Fourjoy, the latest concept from the Mercedes-Benz owned city car brand. Pictured here for the first time, the new four-seater follows the earlier Forus and Forstars concepts, providing clues to next year's Forfour, developed with Renault. The French automaker will offer its own version of the new car as a replacement for the Twingo.