2015-2017 Mustang GT Stage 2 Performance package

Stage 2 Performance Package – 2015–2017 Ford Mustang GT 5.0L

Ready to turn your S550 Mustang GT into the monster Ford should’ve built? Our Stage 2 Package adds serious horsepower, massive torque gains, and a huge jump in overall performance — all while keeping drivability smooth and staying 50-state legal.

Choose from three industry-leading supercharger systems and build the exact setup you want.

What’s Included

Choose Your Supercharger (All 50-State Legal)

1. Edelbrock E-Force Supercharger – #15839

A dependable, OEM-style supercharger known for smooth power delivery and long-term reliability.

• Instant torque throughout the RPM range
• Clean fit & finish
• Factory-like drivability
• 50-state emissions compliant CARB EO: D-215-107

Perfect for owners who want strong performance with a refined, stock-like feel. Up to 610WHP

2. Whipple Stage 2 Supercharger Kit – #WK-2620-STG2-30

Whipple’s Stage 2 system delivers massive top-end power and a signature whine everyone loves.

• Big horsepower gains
• High-efficiency intercooler
• Fast, aggressive throttle response
• 50-state legal CARB EO: D-231-55

Ideal for drivers who want maximum performance with room to grow later. Gains up to 825 engine HP on 93 octane

3. ProCharger Stage II Intercooled System (Factory Airbox)

A centrifugal supercharger system that provides linear, predictable boost with excellent cooling.

• Strong top-end pull
• Efficient air-to-air intercooler
• Uses factory airbox for stealth/heat management
• 50-state legal

A great choice for drivers who prefer a smooth, turbo-like power curve. Hp gains up to 60-65%+

Optional West Bend Dyno Installation

Choose WBD Installation at checkout for the best results:

• Professional supercharger installation
• Fluids, belts, and hardware installed correctly
• Before & after dyno pulls showing exact horsepower gains
• Safety inspection & calibration verification
• Peace of mind knowing the build was done right