The system has three modes: Normal, Sport and S-Sport, Shifting of the TC-SST is controlled by alloy paddles on the steering wheel or the gear shift lever when in manual mode, and by the engine computer in automatic mode. The S-AWC system can be set for three different road surfaces: tarmac (standard), ice and gravel The Twin Clutch SST on the MR appears similar to Audi/VW's DSG system; even and odd gears are on separate clutches for rapid fire shifting and no torque loss between gears. The biggest difference over the outgoing car is the large number of yaw sensors included in the system, all designed to keep the Evo X on its intended path. The S-AWC system, which regulates torque and braking at each wheel includes a bevy of acronyms: ASC (Active Stability Control), ACD (Active Center Differential), AYC (Active Yaw Control) and Sport ABS, an ABS system designed for aggressive driving. Both trim levels feature the new all aluminum 2.0 liter turbocharged four cylinder MIVEC4 motor producing 295 horsepower and 300 pound feet of torque and Super All Wheel Control (S-AWC) drive system. The upgraded MR includes Mitsubishi's new Twin Clutch Sportronic Shift Transmission (TC-SST), Eibach springs and Bilstein shock absorbers, lightweight brake rotors and BBS forged alloy wheels, and extra sound insulation, as well as optional navigation, upgraded audio with Sirius Satellite reception, and leather seats. The entry level GSR is offered with a five-speed manual transmission, Recaro Sport seats and Enkei wheels, as well as optional spoiler, HID headlights, and upgraded sound system. The Evo X is offered in two trim levels.