Audi TT RS ECU Tuning Box Gives You 50 Plug and Play Horsepower VRTuned.com August 24, 2015 Product Info The Audi TT RS features a 2.5L turbocharged inline 5 cylinder engine that makes 360 horsepower and 343 ft/lbs of torque. As a great platform with impecable handling, the TT RS engine is very tunable. These...