Get your 99-04 V8 Mustang GT, 99-02 NA Cobra or 03-04 Mach 1 ‘RACE-READY’ with MS3Pro Plug & Play! This ECU installs in less than an hour, arrives out-of-the-box ready for up to 44lbs boost, and is CAN enabled for seamless control of other MegaSquirt or third party devices. PLUS, MS3Pro handles Factory Dash Communication so stock gauges and warning lights function just like they should!

MSPNPPro-EECV-8CM supports:
-99-04 Mustang GT OHV
-99-02 Cobra DOHC (NA)
-03-04 Mach 1 DOHC

99-04 V8 Mustang GT MS3Pro Plug and Play Features:

  • Fully Plug and Play Installation – No wiring required for basic functionality
  • Average install time is under 1 hour
  • Base map pre-loaded to help your engine start on the first turn of the key
  • Real time tuning and data logging with a laptop connection
  • 8 GB internal data logging with built in SD card
  • Supports most aftermarket wideband sensors/controllers
  • Base map pre-loaded to help your engine start on the first turn of the key
  • Real time tuning and data logging with a laptop connection
  • 8 GB internal data logging with built in SD card
  • Supports most aftermarket wideband sensors/controllers such as our Spartan 2
  • FACTORY Dash Cluster Control! YES, we painstakingly decoded Ford’s dashboard communications to allow your dash to work just like factory!  No one else does this; everyone else leaves your dash dead in the water requiring an aftermarket display solution. This feature alone saves you $1,000 or more!

Does your speedometer read incorrectly due to a gear ratio change?  NOW you can easily fix it in TunerStudio and save a costly trip to your tuner!

Fully Tunable Engine Control

  • 16×16 Fuel Tables allow high resolution tuning
  • 16×16 Ignition Tables
  • Multiple Acceleration enrichment strategies
  • Closed Loop Idle Speed Control
  • Air Conditioner Control
  • 8 sequential fuel injector channels with individual trim tables
  • 8 sequential ignition channels with individual trim tables
  • Onboard peak and hold drivers support both high and low impedance injectors – No external ballast resistor is needed
  • Allows removal of stock MAF sensor

Advanced Feature Set (Included):

  • 12×12 Air Fuel Ratio Target Tables for use with wideband O2 sensor for precise tuning and table trim.
  • Multiple traction control strategies (JUST ADD A FRONT WHEEL VSS like this)
  • Built-in 3-step rev limiter / launch control with flat shift and burnout rev limiter
  • Time based timing / boost increase after launch
  • Real time barometric correction
  • Internal 4-bar MAP sensor reads up to 44PSI of boost
  • Overboost protection
  • Closed loop boost control (Requires EBC solenoid kit)
  • CO2 based boost control
  • Set boost by RPM and throttle, ground speed, or gear
  • Rally style anti lag
  • Water injection control – on/off or variable
  • Knock sensor input with adjustable sensitivity, crank angle windowing, and more
  • Table switching input. Change fuel and spark maps on the fly for different fuels, nitrous activation, etc.
  • Input for flex fuel sensor – switch between E85 and gasoline on the fly!
  • Supports many aftermarket dashes/displays such as Racepak, Race Technologies, AiM Sports, AEM, Dakota Digital, Autosports Labs, Perfect Tuning, etc.
  • CANBus connector allows interconnection of other MegaSquirt-compatible devices for additional functions (EGT Input, Automatic Transmission Controller, Additional Sensors…..the possibilities are limitless!

What you get in the box:

  • 99-04 V8 Mustang MS3Pro Plug and Play ECU
  • RS232 tuning cable
  • 8GB USB Drive including: Registered version of TunerStudio and MegaLog Viewer, Hardware Documentation & Base Map
  • 6′ Vacuum Hose for MAP Signal and ‘T’ fitting

Optional Extras: 

Write a review

Please login or register to review

MS3Pro Plug and Play - 99-04 Mustang GT | 99-02 NA Cobra | 03-04 Mach 1

  • Brand: DIYAutoTune
  • Product Code: MS3Pro-9904GT
  • Availability: 10
  • $1,349.99


Available Options


Related Products

Wideband | Spartan 2 o2 Sensor Controller Kit

Wideband | Spartan 2 o2 Sensor Controller Kit

This is a purebred Wideband Oxygen Controller with no excess. Spartan 2 is our next generation Wideb..

$119.99 $139.99

Fuel Injectors | Siemens Deka | 60 lb/hr | 630 cc/min | High Impedance | EV1 | 8 Cyl

Fuel Injectors | Siemens Deka | 60 lb/hr | 630 cc/min | High Impedance | EV1 | 8 Cyl

Genuine Authentic Siemens Deka 4 Mototron injectors are a new take on high impedance injectors. Desp..

$359.99 $429.99

Fuel Injectors | Siemens Deka | 80 lb/hr | 875 cc/min | High Impedance | EV1 | 8 Cyl

Fuel Injectors | Siemens Deka | 80 lb/hr | 875 cc/min | High Impedance | EV1 | 8 Cyl

Genuine Authentic Siemens Deka 4 Mototron injectors are a new take on high impedance injectors. Desp..

$409.99 $449.99

Fuel Injectors | FID | 50 lb/hr | 525 cc/min | High Performance | Flow Matched | 8 Cyl

Fuel Injectors | FID | 50 lb/hr | 525 cc/min | High Performance | Flow Matched | 8 Cyl

The FID 525's are EV14 based High Impedance fuel injectors utilizing the latest in fuel injector tec..

$489.99

Fuel Injectors | FID | 60 lb/hr | 630 cc/min | High Performance | Flow Matched | 8 Cyl

Fuel Injectors | FID | 60 lb/hr | 630 cc/min | High Performance | Flow Matched | 8 Cyl

The FID 630's are EV14 based High Impedance fuel injectors utilizing the latest in fuel injector tec..

$489.99

Fuel Injectors | FID | 74 lb/hr | 780 cc/min | High Performance | Flow Matched | 8 Cyl

Fuel Injectors | FID | 74 lb/hr | 780 cc/min | High Performance | Flow Matched | 8 Cyl

The FID 780's are EV14 based High Impedance fuel injectors utilizing the latest in fuel injector tec..

$559.99

SCT Power Flash X4 OBD2 Handheld Tuner (1996 & Newer Ford, GM, Mopar)

SCT Power Flash X4 OBD2 Handheld Tuner (1996 & Newer Ford, GM, Mopar)

If you are looking to unlock your 1996 and newer Ford, GM, or Mopar's hidden horsepower, this SCT Po..

$374.99 $399.99

SCT iTSX | TSX Flash Tuner Programmer OBD2 (1996 & Newer Ford, GM, Mopar)

SCT iTSX | TSX Flash Tuner Programmer OBD2 (1996 & Newer Ford, GM, Mopar)

If you are looking to unlock your 1996 and newer Ford, GM, or Mopar's hidden horsepower, this wirele..

$374.99 $399.99

SCT GTX Performance Tuner & Monitor OBD2 (1996 & Newer Ford, GM, Mopar)

SCT GTX Performance Tuner & Monitor OBD2 (1996 & Newer Ford, GM, Mopar)

If you are looking to unlock your 1996 and newer Ford, GM, or Mopar's hidden horsepower, this SCT&nb..

$559.99 $599.99

SCT Livewire TS+ Performance Tuner & Monitor OBD2 (1996 & Newer Ford, GM, Mopar)

SCT Livewire TS+ Performance Tuner & Monitor OBD2 (1996 & Newer Ford, GM, Mopar)

If you are looking to unlock your 1996 and newer Ford, GM, or Mopar's hidden horsepower, this SCT&nb..

$559.99 $599.99

SCT Advantage III Custom Tuning Software (Ford, GM, Mopar)

SCT Advantage III Custom Tuning Software (Ford, GM, Mopar)

If you are looking to unlock your modern Ford, GM, or Mopar's hidden horsepower, this SCT software i..

$329.99 $349.99

MS3Pro Plug and Play - 03-04 Mustang SVT Cobra Terminator

MS3Pro Plug and Play - 03-04 Mustang SVT Cobra Terminator

Get your 03-04 V8 4V Mustang SVT Cobra ‘RACE-READY’ with MS3Pro Plug & Play! This ECU installs i..

$1,349.99

SPEC Clutch | Mustang | 01-04 GT | 99-04 Cobra| Mach 1 |

SPEC Clutch | Mustang | 01-04 GT | 99-04 Cobra| Mach 1 |

When looking for a new clutch, trust Spec for the best in value and performance. All SPEC clutches a..

$259.99 $289.99

Wideband | Spartan 3 o2 Sensor Lambda Controller Kit

Wideband | Spartan 3 o2 Sensor Lambda Controller Kit

Go twice as fast! With a response time of just 7ms, Spartan 3 ADV is more than twice as fast as any ..

$225.00

Tags: MS3, Megasquirt, MS3Pro, Pro, Plug & Play, 1999, 2000, 2001, 2002, 2003, 2004, Mustang, GT, V8