You'll have to pay $10,000 extra to upgrade your Tesla P90D to 'Ludicrous' mode

Looking to upgrade your Tesla P90D to "Ludicrous" speed? You can do that right away, as long as you're comfortable spending an extra $10,000 on the car. Head to the Tesla Gear site where you'll find an acceleration upgrade package that takes you from Insane to Ludicrous. For $10,000, you'll get a significant acceleration bump: 0 to 60mph in 2.8 seconds, or 10% faster than on a regular model. Furthermore, reaching 155mph is 20% faster than with standard Model S performance. DON'T MISS: Deleted 'B...