If you own a 2015-17 Mustang and want maximum performance from a bolt-on power adder, jump right into the Edelbrock Stage 2 Supercharger System W/O Tuner (part #158390) for the Gen 2 Ford 5.0L Coyote engine. This kit adds huge gains in horsepower and torque over Stage 1 performance while maintaining emissions-legal status in all 50 states. At the heart of the system is the top-of-the-line R2650 TVS rotor assembly with an integrated high-capacity DP3C (dual-pass, three-core) air-to-water intercooler that lowers incoming air temperatures and increases power potential. To support the additional Stage 2 power, the fuel system is upgraded with larger 78 lb/hr direct-port injectors and a drop-in 400 LPH fuel pump assembly with internal check valve. This kit is sold without a tuner.