The extensive engine mods include the increase of the V8's displacement from 4.8- to 5.0-liters and the fitment of fortified forged pistons, special connecting rods, racing turbochargers along with a new air intercooler plus a remapping of the ECU. The result is an impressive output of 750HP at 6,400 rpm and a maximum torque of 1,050Nm or 774-lbs/ft at 3200 rpm. The Tornado 750 GTS accelerates from 0 to 100km/h (62mph) in 4.3 seconds and has a top speed in excess of 300 km/h or 187mph.
To put all that power on the road in a politically correct manner, Gemballa's engineers outfitted the Cayenne with a sports suspension that includes an adjustable coilover kit that allows the lowering of the car by up to 70mm. The Tornado 750 GTS rides on a set of extra light 22-inch alloy wheels shod in 335/25 Z22 high performance tires while stopping power is provided by a new braking system with 6-piston brake callipers and 420mm discs at the front axle and 4-piston brake callipers with 380mm discs at the rear axle.
On the outside, Gemballa's team turned the Cayenne into a vehicle that could easily have had a role in the movie Death Race. Aerodynamic accessories aside, one of the highlights is the bonnet which has been 'fused' with the front wings and now opens as a whole.
Inside, Gemballa opted for a four-seat layout while the cabin has been upgraded with new materials and a redesigned center console hosting the lifted gearbox and the Data Control System.
The German tuning house said that the Tornado 750 GTS will be built in a limited number of 50 units with prices set at €400,000 or about $520,000 US.
Starting with the bodykit, most tuners apply carbon fiber body panels by bonding them to modified factory steel pieces. However, this method doesn’t lighten the car and according to current Gemballa CEO, Andreas Schwarz, it’s not the way these materials should be used. “Carbon-fibre is a high strength, low weight structural material that needs to be used honestly, and not just for decoration”, Mr. Schwarz said. 
