Slp single­pipe­for­2005­polaris­900­fusion/rmk/switchback Part­#­09-915 on 2040-parts.com

Jaguar XFR debuts at the Detroit Auto Show boasting 500hp

Until today, Jaguar’s elegant XF didn’t have an R-badged derivative at the top of its range. That all changed at the Detroit Auto Show when the British marque took the wraps off a new 503-hp supercharged version of Jag’s comeback-kid four-door sedan. The same engine is also offered in the new XKR coupe, which also debuted at Detroit.

Speed causes crashes? More accurate reporting would improve driver education and safety

I am a professional race-car driver with 30 years of experience, and I still drive for General Motors' Cadillac race team in the Pirelli World Challenge series. I also have 20 years of experience educating new drivers, parents and driver-education teachers regarding safer street driving. This apparent (to some people) contradiction of experience puts me in the position of being a bit of a sounding post.

Porsche recalls Carrera, Carrera 4 for tailpipe fix

Porsche announced last week that it will recall more than 2,200 Carrera and Carrera 4 911s because internal testing indicated the tailpipe could crack and detach from the rear muffler on vehicles with more than 25,000 miles. Affected vehicles include 2012 and 2013 models built between March 7, 2012 and Nov. 12, 2012.