Choosing the right supercharger kit for your Ford Mustang GT can dramatically boost performance, but the options vary widely in complexity, power, and price. The Ford M6066M8627 Supercharger Kit stands out for its impressive horsepower increase and complete package, making it ideal for enthusiasts seeking significant gains. Meanwhile, the VMP Performance Gen 6 3.0L Supercharger Kit offers a straightforward upgrade with reliable OEM-quality tuning, perfect for those new to supercharging. If maximum power is your goal, the Roush Performance Phase 2 Supercharger Kit delivers up to 750 HP but requires professional installation and a higher budget. Each option has distinct tradeoffs—performance, ease of install, and cost—that help narrow down the best fit for different drivers.
Complete the kit
Key Takeaways
- The Ford M6066M8627 kit offers a balanced mix of power and complete hardware, ideal for experienced DIYers or pros.
- VMP Stage 1 is an accessible, OEM-like upgrade suitable for beginners or daily drivers seeking modest power increases.
- Roush Phase 2 provides the highest horsepower gains but involves heavier installation complexity and cost.
- Synthetic supercharger fluids like Motorcraft are essential for maintenance but don’t directly boost performance.
- Compatibility and emissions compliance are key factors, with some kits limited to certain model years or regions.
| Motorcraft Synthetic Supercharger Fluid – 4 fl oz | ![]() | Essential Maintenance for Supercharged Mustangs | Volume: 4 fl oz | Application: Superchargers on Ford models | Formulation: Synthetic | VIEW ON AMAZON | See Our Full Breakdown |
| Ford M6066M8627 Supercharger Kit | ![]() | Best Overall Power Upgrade for 2015-16 Mustang GT | Application: 2015-16 Mustang GT (manual) | Horsepower: 670 hp @ 6900 rpm | Torque: 540 lb-ft @ 4700 rpm | VIEW ON AMAZON | See Our Full Breakdown |
| 2015-2017 Mustang ROUSH Phase 2 Supercharger 727HP Upgrade Kit | ![]() | High-Performance Upgrade for Experienced Tuners | Model Compatibility: 2015-2017 Mustang | Horsepower: 727 HP | Type: Supercharger Upgrade Kit | VIEW ON AMAZON | See Our Full Breakdown |
| VMP Performance Gen 6 3.0L Supercharger Kit; Stage 1 | ![]() | Best for Beginners and OEM-like Performance | Brand: VMP Performance | Supercharger Design: Front-inlet, blow-up style | Throttle Body: 92mm | VIEW ON AMAZON | See Our Full Breakdown |
| Roush Performance Phase 2 Supercharger Kit for 2018-2021 Ford Mustang GT 5.0L V8 | ![]() | Premium Power for Serious Mustang Enthusiasts | Manufacturer: Roush Performance | Model: JEGS | Horsepower: 750 HP | VIEW ON AMAZON | See Our Full Breakdown |
| supercharger kit for ford mustang gt | Horsepower |
|---|---|
| Motorcraft Synthetic Superchar | — |
| Ford M6066M8627 Supercharger K | 670 hp @ 6900 rpm |
| 2015-2017 Mustang ROUSH Phase | 727 HP |
| VMP Performance Gen 6 3.0L Sup | — |
| Roush Performance Phase 2 Supe | 750 HP |
More Details on Our Top Picks
Motorcraft Synthetic Supercharger Fluid – 4 fl oz
This synthetic supercharger fluid is designed specifically for automotive superchargers, including Ford models like Thunderbird SC, Lightning F-150, and Mustang Cobra. It helps maintain optimal lubrication and protects components over time. Compared with performance upgrade kits, this fluid isn’t a power booster but a necessary maintenance product that can extend supercharger longevity. Its tapered neck applicator makes top-offs straightforward, yet it’s limited to certain Ford models and offers no performance data. It’s best suited for owners who want to preserve their existing supercharger’s health rather than enhance power directly.
Pros:- Easy-to-use tapered neck applicator
- Formulated specifically for Ford superchargers
- Helps lubricate and protect components
Cons:- Limited application to specific vehicles
- No performance improvement data
Best for: Mustang owners looking to maintain supercharger health
Not ideal for: Those seeking immediate power gains or complete supercharger upgrades
- Volume:4 fl oz
- Application:Superchargers on Ford models
- Formulation:Synthetic
Our verdict“A practical maintenance product for Ford supercharger owners who want to preserve their existing system.”
Ford M6066M8627 Supercharger Kit
This kit is the standout choice for those seeking a major horsepower boost without sacrificing street legality. Designed for 2015-16 Mustang GT with manual transmission, it delivers up to 670 horsepower at 9 psi of boost, thanks to a twin vortices supercharger and an integrated intercooler. Compared to other kits, it includes comprehensive hardware—fuel injectors, calibration tools, and more—making it a full upgrade package. While installation can be complex, involving some professional help, it’s a proven solution for significant performance gains. Its 50-state emissions legality makes it suitable for legal street use across the U.S. and Canada.
Pros:- Significant horsepower and torque increase
- Complete hardware package included
- Legal in all 50 states
Cons:- Requires online registration for calibration
- Installation can be complex and labor-intensive
- Limited to specific year models
Best for: Experienced enthusiasts wanting maximum performance gains
Not ideal for: Beginners or owners with automatic transmissions
- Application:2015-16 Mustang GT (manual)
- Horsepower:670 hp @ 6900 rpm
- Torque:540 lb-ft @ 4700 rpm
- Boost Pressure:9 psi
- Supercharger Type:Twin Vortices (TVS) R2300
- Includes:Supercharger, intercooler, fuel rails, calibration tools
Our verdict“A comprehensive, high-performance supercharger kit perfect for serious Mustang modders willing to handle complex install tasks.”
2015-2017 Mustang ROUSH Phase 2 Supercharger 727HP Upgrade Kit
This upgrade kit provides a massive horsepower increase up to 727 HP, tailored specifically for 2015-2017 Mustang models. Built with high-quality components and designed for serious performance enthusiasts, it significantly enhances acceleration. The installation typically requires professional help due to its complexity and the need for precise tuning. Although the cost is higher, it offers an exceptional power boost for those wanting to push their Mustang’s limits—potentially impacting warranty and requiring weight considerations due to its heavy components.
Pros:- Major horsepower increase
- Designed specifically for Mustang models
- Enhances acceleration and overall performance
Cons:- Installation usually requires professional help
- High cost and potential warranty issues
- Heavy components may complicate installation
Best for: Performance-focused owners seeking maximum horsepower
Not ideal for: Casual drivers or those concerned about installation complexity
- Model Compatibility:2015-2017 Mustang
- Horsepower:727 HP
- Type:Supercharger Upgrade Kit
Our verdict“A top-tier upgrade for experienced tuners aiming for maximum power, with the caveat of higher cost and installation effort.”
VMP Performance Gen 6 3.0L Supercharger Kit; Stage 1
The VMP Gen 6 Stage 1 kit offers an accessible route for ’24 Mustang GT owners to boost power by over 300 RWHP. Its comprehensive design includes all essential components—intercooler, high-flow injectors, and a tuning device—allowing for a relatively straightforward installation. Compared with higher-stage kits, it provides a reliable, OEM-quality upgrade that improves airflow and cooling without drastically changing the vehicle’s character. While professional installation is recommended, this kit appeals to owners seeking a significant but manageable power increase, with a focus on OEM-like reliability and drivability.
Pros:- Easy-to-install, comprehensive kit
- Over 300 RWHP increase
- OEM-quality tuning and reliability
Cons:- Installation still best done professionally
- Limited performance gains compared to higher stages
Best for: Beginners or daily drivers seeking a reliable, moderate upgrade
Not ideal for: Owners desiring maximum horsepower or track-focused builds
- Brand:VMP Performance
- Supercharger Design:Front-inlet, blow-up style
- Throttle Body:92mm
- Injectors:56-Pound
- Pulley Size:3.875-Inch
- Intercooler:Dual-core, dual-pass
Our verdict“A solid choice for newcomers wanting a reliable power boost with OEM feel and less complexity.”
Roush Performance Phase 2 Supercharger Kit for 2018-2021 Ford Mustang GT 5.0L V8
The Roush Phase 2 kit is built for owners who want the highest power output possible—up to 750 HP—using a Eaton TVS R2650 supercharger and a full-face intercooler. It’s a complete, professionally developed package that includes calibration and all necessary components. The kit’s weight and complexity mean it’s best suited for those with experience or access to professional installers. While it delivers exceptional performance, the higher cost and installation effort make it less ideal for casual enthusiasts or daily drivers seeking moderate gains.
Pros:- Highest horsepower potential at 750 HP
- Complete kit with intercooler and calibration
- Designed specifically for 2018-2021 models
Cons:- Heavy weight complicates installation
- High cost and potential warranty impact
- Requires professional installation
Best for: High-performance enthusiasts aiming for maximum power
Not ideal for: Casual drivers or those with limited mechanical skill
- Manufacturer:Roush Performance
- Model:JEGS
- Horsepower:750 HP
- Supercharger:Eaton TVS R2650
Our verdict“The best choice for dedicated tuners seeking top-tier power, accepting the higher complexity and cost.”

How We Picked
Our selection process focused on supercharger kits specifically designed for the Ford Mustang GT, evaluating performance, ease of installation, compatibility, and value. We prioritized kits that offer substantial horsepower gains while maintaining reliability and legal compliance. We also considered brand reputation, included components, and user feedback to ensure these options suit a range of skill levels—from beginners to seasoned tuners. Cost and potential impact on vehicle warranty were also factored into our rankings, aiming to provide a well-rounded overview for Mustang enthusiasts in 2026.
Factors to Consider When Choosing Supercharger Kit For Ford Mustang Gt
Selecting the right supercharger kit for your Mustang GT involves balancing performance goals, installation complexity, and budget. Understanding the differences between complete kits and simple maintenance fluids helps you make an informed decision. Whether you want a modest, OEM-like upgrade or a maximum horsepower overhaul, the right choice depends on your driving style, mechanical skill, and how much you’re willing to invest.Performance Goals
Deciding on your horsepower target is key. If you aim for a modest increase to improve daily driving without drastic modifications, a Stage 1 kit or OEM-quality upgrade may suffice. For maximum performance for track days or spirited driving, higher-stage kits deliver more power but come with increased complexity and cost.
Installation and Compatibility
Some kits, like the VMP Stage 1, are designed for easier installation, possibly suitable for owners with some mechanical skill. Others, like the Roush or full supercharger kits, often require professional help due to their weight, complexity, and calibration needs. Always verify that the kit is compatible with your specific Mustang model year and transmission type.
Legal and Warranty Considerations
Check whether the supercharger kit is emissions compliant and legal in your state, especially if you plan to keep your vehicle street-legal. Additionally, consider potential impacts on warranty; some high-performance kits might void parts of your warranty or require specific calibration procedures.
Frequently Asked Questions
Can I install a supercharger kit myself?
While some experienced DIYers might handle basic installation, most high-performance supercharger kits require advanced mechanical skills and proper calibration. Kits like the Roush or full upgrade packages often recommend professional installation to ensure safety, proper tuning, and adherence to warranty requirements.
Will a supercharger kit void my Mustang’s warranty?
Installing a supercharger can potentially impact your vehicle’s warranty, especially if it causes engine or drivetrain issues. Manufacturers and aftermarket providers often specify warranty policies, so it’s wise to consult your dealer or warranty terms before proceeding with a supercharger upgrade.
What maintenance is required for a supercharged Mustang?
Regular maintenance includes checking and replacing supercharger fluids, inspecting belts, and ensuring intercooler and cooling systems operate properly. Using high-quality fluids like Motorcraft Synthetic Supercharger Fluid helps protect components, but overall, supercharged engines require more attentive upkeep than naturally aspirated engines.
Are supercharger kits street legal?
Many kits, such as the Ford M6066M8627, are designed to be emissions compliant and legal in all 50 states. However, some high-horsepower or track-focused kits may not meet emission standards or could require additional modifications. Always verify the legality of your specific kit in your region before installation.
How much horsepower can I expect from a supercharger kit?
The horsepower gain depends on the kit and your Mustang model. Basic Stage 1 kits like VMP can add over 300 RWHP, while more aggressive setups like the Roush Phase 2 can push power up to 750 HP. Your final gains will also depend on supporting modifications and tuning.
Conclusion
If you’re an owner seeking a reliable, moderate upgrade suitable for daily driving, the VMP Stage 1 offers excellent OEM-like performance with simplified installation. For enthusiasts aiming for a big power increase and willing to handle more complex installation, the Ford M6066M8627 kit strikes a strong balance between performance and completeness. Serious performance junkies or professional tuners will find the Roush Phase 2 the best choice for maximum horsepower, despite the higher cost and installation demands. Carefully consider your goals, mechanical skills, and budget to pick the best supercharger kit for your Mustang GT in 2026.







