The Edelbrock Stage II Upgrade Kit part #15882 allows customers using the 1588/15880 supercharger (2011-14 5.0L Mustang) to upgrade to stage 2. The Edelbrock Stage II Upgrade Kit part #15882 includes a 3.25in. supercharger pulley, complete competition air intake system, Gatorback belt, and an updated calibration file. This upgrade is intended for racing/off road applications only and is not legal for sale on pollution controlled vehicles. Before a tune can be released complete the disclaimer form and send it back to us in order to receive the appropriate calibration file. This form can also be completed online.
WARNING: This product can expose you to Chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.
Supercharger systems without tuners are not eligible for supplemental warranty and are only emissions-legal when used with the correct Edelbrock program. For safety, the Edelbrock program retains the factory vehicle speed limiter setting.; Calibrations, Tuners, or Programs supplied with supercharger systems are only compatible with vehicles designed for use in the United States or Canada. Edelbrock does not offer calibration support for any vehicle designed for use outside of the United States or Canada.