ProCharger Stage II Tuner Kit (2003-2004 Mustang Cobra) - 1FM203-SC
Extreme Power Potential for Terminator Cobra Builds
The ProCharger Stage II Tuner Kit for the 2003-2004 Mustang Cobra is built for enthusiasts chasing maximum horsepower and complete control over their setup. Designed for the high-performance 4.6L 4V platform, this system supports 550 to 750 rear-wheel horsepower on stock engines with proper supporting modifications.
This Stage II configuration is ideal for serious builds looking to take advantage of larger head unit options and higher airflow capabilities.
F-1 Series Head Units - Built for Big Power
This system is configured to work with F-1D, F-1, or F-1A ProCharger head units, offering scalable performance for high-horsepower applications.
- F-1A: Ideal for aggressive street and strip setups
- F-1: Balanced high-output airflow for serious builds
- F-1D: Increased airflow for higher horsepower combinations
Each head unit uses ProChargers centrifugal compressor design to deliver efficient airflow and strong top-end power.
Stage II System - Built for High Output Applications
The Stage II configuration is designed to support higher horsepower levels and more aggressive builds compared to standard HO systems.
- 6-rib shared drive system
- OEM-quality mounting brackets
- Complete supercharger and intercooler tubing included
- Minimal modification required for installation
Tuner Kit Configuration - Total Customization
This tuner kit is designed for experienced builders who want full control over their fuel system and tuning strategy.
- No tuning included - custom calibration required
- No fuel system components included
- Ideal for E85, race fuel, and methanol setups
- Supports upgraded engines with cams, heads, and exhaust systems
- Not emissions certified due to custom configuration
ProCharger Engineering - Reliable and Efficient
All ProCharger systems are engineered for reliability and ease of installation while delivering industry-leading performance.
- Self-contained oiling system - no external oil lines required
- Compact design for clean engine bay integration
- Minimal relocation of factory components
- Durable construction for high-horsepower applications
Performance Highlights
- 550 to 750 RWHP capability on stock 4V engines
- Compatible with F-1D, F-1, and F-1A head units
- Designed for extreme horsepower builds
- Fully customizable tuner kit configuration
- Built specifically for 2003-2004 Cobra applications
Key Features
- Compatible with F-1D, F-1, or F-1A ProCharger head units
- 6-rib shared drive system
- Self-contained oiling system
- OEM-quality mounting brackets
- Complete supercharger and intercooler tubing included
- Clean, factory-style installation
- Designed for high-performance 4.6L 4V Cobra engines
- Made in the USA
Important Notes
- Tuner kits do not include tuning or fuel system components
- Custom dyno tuning is required for operation
- Designed for experienced builders and high-performance applications
- Not emissions certified
Quick Specs
- Manufacturer: ProCharger
- Product Type: Stage II Tuner Kit
- Supercharger Options: F-1D, F-1, F-1A
- Drive System: 6-rib shared drive
- Fuel System: Not included
- Tuning: Not included
- Oiling System: Self-contained
- Engine Application: 4.6L 4V Cobra
- Part Number: 1FM203-SC
Fitment
- 2003 Ford Mustang Cobra 4.6L 4V
- 2004 Ford Mustang Cobra 4.6L 4V
FAQs
What head units are compatible with this kit?
This kit is designed for F-1D, F-1, and F-1A ProCharger head units, allowing you to scale performance based on your build.
What additional components are required?
You will need custom tuning and a properly matched fuel system to safely operate and maximize performance.
Why Buy from Beefcake Racing?
Beefcake Racing is your trusted source for ProCharger systems and Mustang performance upgrades. We provide expert guidance to help you build the right setup.
From street cars to high-horsepower builds, we deliver real-world experience and unmatched customer support.
Email: sales@beefcakeracing.com
Phone: 1-855-827-7223
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
