Walker 16070 Direct Fit Converter on 2040-parts.com

2012 Mercedes-Benz SLK AMG breaks cover

Mercedes-Benz is adding even more mojo to the SLK roadster for 2012, launching the most powerful version of its long-running sports car. Dressed in AMG trim, the SLK gets an even angrier look and a slew of performance enhancements. But that’s all overshadowed by one omnipotent figure: the 415 hp derived from the naturally aspirated V8.

Infiniti QX56 (2011) leaks

Infiniti's doubtless very able - but visually 'Challenged' - 2011 QX56 If you’re reading this from the New World side of the Pond you’ll know exactly what the Infiniti QX is. It’s a full sized SUV from Nissan’s luxury arm Infiniti, aimed right at the North American love of big 4x4s, but also sold in the Middle East and Russia. The current version of the QX56 has been on the market since 2004 and is at the end of its shelf life, with a new 2011 Infiniti QX56 debuting at the New York Motor Show this week.

HPP turns Challenger into Superbird

Those of you pining for the high-winged days of the Dodge Charger Daytona and Plymouth Superbird can open up your checkbooks and make one payable to Heide Performance Products out of Madison Heights, Mich. The company can turn any Dodge Challenger into a '70s-inspired pavement burner, though they leave the actual pavement-burning modifications up to you: the Superbird/Daytona kit is an appearance upgrade only. The full kit comes with a nose cone assembly ($5,999), three-piece wing ($2,499), functional Shaker hood and scoop ($2,499), rear aluminum louvers ($899), HPP Challenger hood pins ($179), Daytona or Superbird taillight overlays ($189), fender gills ($89), pistol-grip shift lever ($149) and rear diffuser ($1,299), or a total of $13,800.