ROUSH 2015-2017 Mustang Phase 1 to Phase 2 Supercharger Upgrade Kit - 727 HP - 421994

Product highlights for the 2015-2017 ROUSH Mustang Phase 1 to Phase 2 Supercharger Upgrade Kit - 727 HP: 727 hp @ 6,850rpm and 610 lb-ft @ 5,100rpm Preset plug and play digital fuel pump controller safely and reliably increases fuel pump output without opening fuel system Cooler heat range Ford spark plugs help ensure complete combustion without detonation under the higher boost levels of Phase 2 Smaller diameter 80 mm pulley increases boost, installs in minutes, requiring no belt replacement ROUSH/Ford Racing Phase 2 calibration file delivered with exclusive ROUSH Diagnostic Tool (RDT) Includes 3-year/36,000-mile ROUSH Parts only limited warranty Voids optional Roush limited Powertrain/Drivetrain warranties 50-State emissions-legal on 2015-2016 Mustangs (CARB E.O. #D-418-29). NOT APPROVED for sale or installation on 2017 model year in the state of California, or any other states that require an Executive Order Number. The ROUSH Phase 2 supercharger upgrade kit builds on the outstand