The Edelbrock Stage 1 Street Supercharger System part #15560 (No Tuner) for 2013-17 Scion FR-S, BRZ, or Toyota GT86 increases the performance of your 2.0L engine to 242 horsepower and 186 ft-lbs of torque at the rear wheels. This Edelbrock Supercharger System is designed exclusively for the FA20/4U-GSE engine. It?s unique inverted design allows for maximum flow, while retaining great daily driving characteristics. It has been designed from the ground-up and utilizes the Eaton 1320 TVS rotor assembly for maximum efficiency in a compact package. As with all Edelbrock superchargers, this system features an efficient high flow inlet configuration that results in a shorter, less restrictive intake path for improved airflow and performance. To cool the incoming air, is a large air-to-water intercooler and heat exchanger. All of these features help the Edelbrock deliver dramatically improved performance, especially in the mid-range, where power dips have been eliminated for a smooth linear power curve. Lastly, the supercharger assembly is finished with a durable black powder coating with red accents for a unique look that will let everybody know your car is Edelbrock powered. Supercharger systems sold without tuners are only emissions legal when used with the correct Edelbrock program.