
Product Discontinued
FORD PERFORMANCEPART NUMBER: 397-M-9603-M4C
M-9603-M4C Performance Calibration w/Pro Cal 3 Calibration Interface for 2018-2021 Ford Mustang w/2.3L Ecoboost Engine
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Mustang
Performance Calibration2018-2021 Ford Mustang Ecoboost 2.3L Ecoboost Turbocharged Engine Includes Pro Cal 3 Calibration Interface & High-Flow Air Filter Manual or Automatic Transmission 35 Horsepower Gain 76 ft. lbs. Torque Gain
Ford Performance M-9603-M4C Performance Calibration:
- Includes Ford Performance Pro Cal 3 Calibration Interface
- End User Must Register With Ford Performance and Provide Vehicle Vin @ www.performanceparts.ford.com/register
- Includes Ford Performance High Flow Performance Air Filter M-9601-M
- Includes Calibration Voucher
- Horsepower and Torque Gains Through Entire Powerband
- 35 Horsepower Peak Gain @ 2900 RPM
- 76 ft. lbs. Torque Gain @ 2600 RPM
- Compatible with U.S. and Canadian Vehicles
Ford Performance M-9603-M4C Performance Calibration Notes:
- Not Compatible with 2020-2021 Ford Mustang 2.3L HPP (High-Performance Package)
- Premium 91 Octane or Higher Fuel Only
- If Stock Calibration Re-Installation is Desired (Returning to Stock) Vehicle Must go to a Ford Dealer for 'As-Built' Calibration Installation
Emissions:
- Ford Performance calibrations are 50-state legal with CARB EO (D-752-17)
Reliable Power & Performance
Unleash the power of your engine with Ford Performance dyno-tested calibration kits.
Part TypeComputer Programmer
Product LineFord Performance Calibration Kits
BrandFORD PERFORMANCE
Package Height3.2
Package Width11.9
Package Length12.4
Weight2.18 PG
Part CategoryPerformance Parts
Wiring Harness IncludedYes
Interconnect Cable TypeOBDII
QuantitySold as a Kit
Interconnect Cable Connection 1 QuantitySingle
Vendor Part NumberM-9603-M4C
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
Some parts are not legal for use in California or other states with similar laws / regulations


![Under-Dash Creeper [40 in. Length]](https://www.jegs.com/images/mini_200/500/555/555-81153.jpg)



![Heavy-Duty Steel Workbench [59.5 in. x 27.5 in. Bench Top]](https://www.jegs.com/images/mini_200/500/555/555-81440.jpg)
![Workbench Utility Mat [24 in. x 16 in.]](https://www.jegs.com/images/mini_200/500/555/555-80170.jpg)
![Rolling Work Table [200 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-81420.jpg)
![4-Drawer Tool Box Cart [580 lb. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-81410.jpg)

![Fender Cover with Pocket [23 in. W x 31 1/2 in. L]](https://www.jegs.com/images/mini_200/500/555/555-65010.jpg)