ProCharger Stage II Intercooled Tuner Kit w/ P-1SC (1FL202-SCI) - 2003-2004 Mustang Mach 1 4.6L 4V
Stage II Intercooled Power for Mach 1 Builds
Take full control of your 2003-2004 Mustang Mach 1 build with the ProCharger Stage II Intercooled Tuner Kit. Designed specifically for the high-compression 4.6L 4V platform, this system delivers serious horsepower potential while allowing you to fully customize your tuning and fueling setup.
With real-world gains of 135 to 210+ horsepower and the ability to support 500+ horsepower with the right combination, this kit provides the foundation for high-performance street and track builds.
Stage II System - Maximum Cooling and Capability
The Stage II configuration upgrades to a large 3-core air-to-air intercooler, improving cooling efficiency and supporting higher horsepower levels.
- 3-core air-to-air intercooler for maximum charge air cooling
- Supports higher boost and aggressive setups
- Improves durability and consistency under load
- Ideal for high-performance street and strip applications
P-1SC Supercharger Performance
At the heart of the system is the proven P-1SC centrifugal supercharger, known for efficient airflow and reliable performance.
- P-1SC centrifugal supercharger head unit
- Self-contained oiling system with no external oil lines required
- Efficient airflow with strong top-end power
- Low-maintenance, durable design
Tuner Kit Configuration for Custom Builds
This Stage II tuner kit includes all core supercharger hardware but does not include tuning or fuel system components, giving you full flexibility to build your setup your way.
- No tuning included - custom dyno calibration required
- No fuel system components included
- Supports pump gas, E85, race fuel, and methanol setups
- Ideal for builds with upgraded cams, headers, and engine internals
Intercooled Advantage for 4V Applications
Compared to non-intercooled systems, this ProCharger setup delivers cooler intake temperatures and significantly improved performance consistency.
- Higher horsepower gains than non-intercooled systems
- Reduced heat soak under boost
- Improved reliability and repeatable performance
- Air-to-air intercooling eliminates complexity of liquid systems
Performance Highlights
- 135 to 210+ horsepower gain potential
- 13 to 20 mph increase in quarter-mile trap speeds (setup dependent)
- 500+ horsepower capability with supporting modifications
- Stage II intercooling for improved consistency
- Fully customizable tuner kit configuration
Features
- P-1SC ProCharger centrifugal supercharger
- Self-contained oiling system
- Stage II 3-core air-to-air intercooler
- Factory 6-rib shared drive system
- OEM-quality brackets and mounting hardware
- Complete tubing and intercooler system included
- Factory-style fit and finish
- Designed specifically for 4.6L 4V Mach 1 applications
Additional Notes
- Custom tuning and fuel system upgrades are required for operation
- Aftermarket mass air sensors require custom calibration
- Designed for high-performance and off-road use
- Supports future upgrades including larger head units and intercoolers
Fitment
- 2003 Ford Mustang Mach 1 4.6L 4V
- 2004 Ford Mustang Mach 1 4.6L 4V
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