Turbocharger family sedan, but because the noise was suppressed as much as possible, to increase the distribution of the exhaust Y-shaped structure is adopted, a silencer capable of forming the internal structure was fabricated torque, low RPM, high RPM, while the quiet, enjoy the sound 've made, and a silencer booming sound absorbing surface area as possible is suppressed by increasing indoor sports sedan has created great sound to match

Overall, improvement since 4800RPM is early when you open the valve slightly less torque, but the improved high RPM can see that. (By information in supplier's website with Google Translate tool)