Hofele Design Range Rover Royster GT 500

The German tuning shop Hofele Design has released these two images of their latest Range Rover package they are calling the Royster GT 500. It all starts under the hood with an estimated 20 percent increase in power for all the engines. The tune for the 4.4-liter turbocharged V8 diesel model resulted in an output of 404 horsepower and 720 Nm of torque. A hefty boost from the factory 334 HP and 600 Nm of torque.

Vath Mercedes E500 V50S Performance Program

German-based tuning group Vath has released a new performance program for the Mercedes E500 sedan. They are calling this the V50S package which improves both performance and styling. Under the hood, engine modifications consist of new ECU software, air cooling system, sport exhaust system and removal of the electronic speed limiter. With these tweaks, the Mercedes-Benz E500 figures increased from 402 HP to 511 horses and from 600 Nm of torque to 810 newton meters of torque. This improved the track times drastically.

Mopar Fiat 500

In addition to the Chrysler 200 Super S released earlier this month, Mopar is now offering several aftermarket mods for the recently launched 2012 Fiat 500 in the USA. These were announced through a special version of the city car at the North American International Auto Show in Detriot, featuring mostly cosmetic customizations. This all show, no go Fiat 500 appears to be less impressive than the concept that was unveiled at the last SEMA Show, however carries some similar tasteful exterior tuning found on the Mopar Limited Edition Challenger. Hit the jump for a list of details and more photos.