SLP 2005-2008 C6 Corvette LoudMouth Exhaust

Upgrade your 2015-2017 Mustang's Phase 1 supercharger system to Phase 2 for an additional 57 horsepower and 65 lb-ft of torque, reaching a total of 727 hp and 610 lb-ft of torque. This kit includes a preset plug-and-play fuel pump controller, colder heat range spark plugs, an upgraded 80 mm supercharger pulley, and a Roush Diagnostic Tool (RDT) reflash voucher for the enhanced Phase 2 calibration. Designed for daily drivability, the kit is 50-State emissions-legal for 2015-2016 Mustangs (CARB E.O. #D-418-29) and approved for 2017 in California (CARB E.O. #D-418-34). Includes a 3-year/36,000-mile Roush Parts only limited warranty. Installation on a 2015-2017 Roush Stage 3 Mustang may void the vehicle's powertrain warranty.