Audi TT RS is a very fashionable and high performance sports car. to even more increase it's performance, the german MTM tuners has developed a performance kit. usual Audi TT RS has a 2.5 liter turbo engine that outputs 310hp power. and it can reach 0-100KM/h just within 4.6 seconds. now with this new improved engine control system, it can reach 0-100KM/h within 4.2 seconds and the top speed is 297KM/h.