Browse Categories
Browse by Manufacturer
Mailing Lists


Your Price: $949.00
Item Number: M-9603-M8A
Manufacturer: Ford Performance Parts
Manufacturer Part No: M-9603-M8A
Fits 2015-2017 Mustang GT  
  • Features exclusive no-lift shift strategy and enhanced throttle response  
  • Ford Performance calibrations feature exclusive Ford proprietary software and engineering  
  • Ford Performance calibrations are 50 state legal with CARB EO  (D-598-19)
  • Calibrations available for manual and automatic transmission
  • Allows gear ratio changes up to 4.09:1 
  • Automatic calibrations feature optimized performance shift schedule 
  • Premium fuel, 91 octane or higher, is required 
M-9603-M8A - Power Pack 2 (shipping 10-31-16)
  • Includes GT350 cold air intake with 87mm throttle body and exclusive intake adapter (hardware available separately without calibration as part number M-9603-M50)  
  • 21hp and 24lbs/ft peak gains over stock   
  • 40lbs/ft gain at 1500rpm   
  • Industry exclusive open air filter with CARB EO  
Calibration Notes:  
  • Ford Performance ProCal tool, included with all calibrations, requires laptop and internet access for calibration install  
  •  At this time Power Packs are sold separately and cannot be upgraded without the purchase of an entire kit.    
  • Powertrain calibrations are developed and supported for U.S. and Canadian vehicles  
  •  Federal and state laws prohibit any person from installing aftermarket add-on or modified parts prior to the sale of a new motor vehicle