ProCharger Stage II Intercooled Supercharger System w/ P-1SC (1FL212-SCI) - 2003-2004 Mustang Mach 1 4.6L 4V
Stage II Intercooled Power for Mach 1 Performance
Upgrade your 2003-2004 Mustang Mach 1 with the ProCharger Stage II Intercooled Supercharger System, engineered specifically for the high-compression 4.6L 4V platform. This complete system delivers massive horsepower gains while maintaining excellent drivability, reliability, and OEM-style integration.
With real-world gains of 135 to 210+ horsepower and the ability to support 500+ horsepower with proper upgrades, this system transforms your Mach 1 into a serious street and strip performer.
Stage II System - Maximum Cooling and Power
The Stage II configuration features a large 3-core air-to-air intercooler, providing improved charge air cooling and supporting higher horsepower levels.
- 3-core air-to-air intercooler for maximum cooling efficiency
- Supports higher boost levels safely
- Improves power consistency under load
- Ideal for aggressive street and strip builds
P-1SC Supercharger Performance
At the core of the system is the proven P-1SC centrifugal supercharger, designed for strong top-end power and long-term durability.
- P-1SC centrifugal supercharger head unit
- Self-contained oiling system with no external oil lines required
- Efficient airflow with linear boost delivery
- Reliable, low-maintenance operation
Complete System with Fueling and Tuning
This Stage II system is a complete bolt-on solution, including the critical components needed for installation and operation.
- In-tank fuel pump included
- 39.5 lb/hr fuel injectors included
- Programmer included for tuning
- ProFlow blow-off valve included
- Complete brackets, tubing, and hardware included
Intercooled Advantage for 4V Applications
Compared to non-intercooled systems, this ProCharger setup delivers cooler intake temperatures and significantly improved performance consistency.
- Greater horsepower gains than non-intercooled systems
- Reduced heat soak under boost
- Improved reliability and repeatable performance
- Air-to-air system eliminates complexity of liquid cooling
Performance Highlights
- 135 to 210+ horsepower gains
- Significant improvements in quarter-mile performance
- 13 to 20 mph increase in trap speeds (setup dependent)
- 500+ horsepower capability with supporting modifications
- Stage II intercooling for consistent performance
Features
- P-1SC ProCharger centrifugal supercharger
- Self-contained oiling system
- Stage II 3-core air-to-air intercooler
- Factory 6-rib shared drive system
- ProFlow blow-off valve included
- In-tank fuel pump included
- 39.5 lb/hr fuel injectors included
- Programmer included
- OEM-quality brackets and hardware
- Complete bolt-on system
Additional Notes
- Designed for straightforward installation with minimal modification
- Maintains clean, OEM-style engine bay appearance
- 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
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
