GReddy dyno test showed a 93.5 whp and 68.7ft - lbs increase at 7psi on a stock 2013 Scion FR - S with factory injectors and fuel pump, just adding a * GReddy tuned EcuTek ecu, and a * GReddy Evo3 70 mm exhaust, -(not Included) But even more importantly, the mid-range torque from 3150 - 4750 RPMs are significantly improved over the stock torque curve.