Roush Performance 2015-17 Mustang 3.7L V6 Performance Pac Level 2 422000

The ROUSH Performance Level 2 Performance Pac for the 2015-2017 Mustang 3.7L Ti-VCT engine, adds 13 RWHP and 15 lb-ft. of torque to your stock Mustang V6 Fastback.The included ROUSH cold air kit is fully tested and calibration certified to work seemlessly with our performance ECU reflash and adds a sporty sound to the 3.7L Ti-VCT engine. Our cold air kits are the best in the industry, designed and tooled in CAD to maximize available underhood space, and injection molded from premium automotive-grade materials for long life.The ROUSH premium 2.5 axle back exhaust system is built from high quality 304 grade stainless steel for long life and great sound. The system includes all hardware, and is fully tested to work as a system with the ROUSH cold air kit and ECU flash.Roush calibration engineers have extensive OEM calibration experience and have spent hundreds of hours spent in the lab and on the dyno, testing and validating our calibrations.