ProCharger Stage II P-1SC-1 Supercharger System Intercooled Mustang 4.6L Mach 1 2003-2004
Highlights
- Produces Additional 60-65% HP
- Large Air-to-Air Intercooler
- Full Supercharger System
- Available in Three Finishes
ProCharger Stage II P-1SC-1 Intercooled Supercharger System for 2003-2004 4.6L Mach 1 Mustangs.
On an otherwise stock 4.6L engine, the ProCharger Stage II Supercharger System will provide your 2003-2004 Mach1 Mustang with an additional 65% horsepower and 8 psi of boost! This supercharger system can be installed on your stock engine with a bolt-on setup and with no cutting or modifications required. Best of all, this system will fit under your hood with a high-quality from-the-factory appearance. To get the best personalized styling, ProCharger offers the Stage II P-1SC-1 Supercharger System in three attractive finishes for you to choose from.
Features & Benefits:
- Choice of Satin, Black, & Polished Finishes
- Available in Standard-Cut & Noise-Reducing Helical Gear Sets
- Self-Contained P-1SC-1 Supercharger
- Large 3-Core Air-to-Air Intercooler
- Includes Handheld Programmer & Tune
- Significant Horsepower Gains, 55-60%
- Increased Boost Pressure, 8 PSI
- Dedicated 8-Rib Drive System
- Self-Contained Oiling System
- Upgraded Fuel Pump
- Fits Under Stock Hood
The Stage II P-1SC-1 Intercooled Supercharger System comes from ProCharger with a handful of high-quality features. You can choose a standard-cut gear set or opt for a noise-reducing helical gear set for a quieter and more comfortable ride. The large 3-core, air-to-air intercooler offers your engine an abundance of cool air to produce exceptional power safely and reliably. A handheld programmer and included tune will prepare your engine for its new power. Further power is available with future performance modifications but may require additional custom tuning.
Please Note:
- Additional Custom Tuning May Be Required with Other Modifications
- Vehicles Equipped with Cat-Back Exhaust Systems May Require Additional Tuning
- Aftermarket MAF Sensors Require Custom Tuning
California Residents: Proposition 65 Warning
Related Categories: Mustang Parts, Mustang Engine, Mustang Supercharger Kits, Mustang 4.6L Supercharger Kits
Note: This item is not CARB (California Air Resource Board) exempt and is not legal for sale or use in the state of California.
Installation Difficulty

Advanced skill is required for this installation.












