6 best gadgets for cars

Updated: Jan 25, 2012 14:01 IST

Every now and then, Porsche 911s are still used to their full potential on the track. While there are usually plenty of qualified folks on hand to clock your lap times, Porsche thought it sporting to offer a solution for do-it-yourselfers.
1/7
Every now and then, Porsche 911s are still used to their full potential on the track. While there are usually plenty of qualified folks on hand to clock your lap times, Porsche thought it sporting to offer a solution for do-it-yourselfers.

top photos