• 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 
  • Calibrations are for US and Canadian vehicles only

Calibrations are available with three levels of hardware and performance   

M-9603-M8 - Power Pack 1 
  • Includes high flow K&N air filter   
  • 13 horsepower and 16 lb-ft peak gains over stock   
  • 40 lb-ft gain at 1500rpm   
M-9603-M8A - Power Pack 2 
  • Includes GT350 cold air intake with 87mm throttle body and exclusive intake adapter (hardware available separately without calibration as part number M-9603-M50)  
  • 21 horsepower and 24 lb-ft peak gains over stock   
  • 40 Lbs/Ft gain at 1500rpm   
  • Industry exclusive open air filter with CARB EO  
M-9452-M8 - Power Pack 3 
  • Includes GT350 cold air intake with 87mm throttle body and  GT350 intake manifold M-9424-M52  
  • 37 horsepower and 5 lb-ft peak gains over stock    
  • 60 horsepower gain at 7500rpm   
  • Industry's only 50-state legal calibration with performance intake manifold   
Calibration Notes:  
  • Ford Performance ProCal 3 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 only      
  • Federal and state laws prohibit any person from installing aftermarket add-on or modified parts prior to the sale of a new motor vehicle    
Part Type
Engine: Power Packs
Instruction Sheet
Warranty Availability
Ships In
2 Boxes
Box 1 Dimensions
19" x 18.5" x 26.5"
Box 1 Weight
17.95 lb(s)
Box 2 Dimensions
17" x 13.5" x 30"
Box 2 Weight
17.95 lb(s)
UPC Code
Country of Origin
United States