Tomei ARMS T440M Bolt On Single Scroll Turbo ChargerNew option of performance turbo for EJ Single Scroll! The all new T440M turbo kit offers Fat and pushing torque with a whole different level of power from the large displacement EJ25 with dynamic power and torque at the mid high RPM range. T440M is designed for steady boost even at the high end range where the stock turbo of EJ application is known to fade from around 5,500RPM. Steady boost at the high RPM range is an essential key for tuned EJ motor.