Roush

Roush 2015-2017 Ford Mustang Phase 1-to-Phase 2 727HP Supercharger Upgrade Kit - 421994

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SKU:
RSH421994
UPC:
844764006133
MPN:
421994
Availability:
Regularly stocked product
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$1,114.36
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Description

Is this supercharger compatible with my vehicle?
Confirm vehicle fitment for the RSH Supercharger Upgrade Kit before installation to ensure proper integration with your specific engine setup.

What level of performance can I expect from this supercharger?
Achieve a staggering 727 horsepower for ultimate street and track dominance with this forced induction component.

Roush RSH Supercharger Upgrade Kits transform your vehicle, delivering a staggering 727 horsepower and excelling in track performance. Engineered for significant gains, these forced induction components add an exhilarating 57 horsepower and 65 lb-ft of torque. Experience unparalleled engine power for demanding driving scenarios.

What Owners Say

Owners and enthusiasts consistently report that Roush supercharger kits deliver solid power gains with the significant advantage of maintaining factory warranties when properly installed. The kits are praised for reliability, with users documenting trouble-free performance even at 710+ horsepower levels. However, some experienced builders note that the intercooler design runs hotter than competitors like Whipple, and the factory tune is intentionally conservative for safety. Many owners address this by having the system retuned by specialists to unlock additional performance. Overall, Roush has established a strong reputation for building dependable forced induction systems that balance power, warranty protection, and quality engineering.

Key Features

  • additional 57 horsepower
  • 65 lb-ft of torque
  • 727 hp
  • 610 lb-ft of torque

Why Choose the RSH Supercharger Upgrade Kits

Delivers an exhilarating surge of 57 additional horsepower for instant acceleration.

Achieves a dramatic 65 pound-feet of torque for superior pulling power.

Transforms your Mustang into a track-ready machine with 727 horsepower.

Provides an overwhelming 610 pound-feet of torque for unmatched responsiveness.

Who Is This For?

Track / Autocross — 9/10
Significant horsepower and torque increase for performance.

Drag Racing — 9/10
Substantial power gains for acceleration.

Street Performance — 9/10
Enhanced horsepower and torque for spirited driving.

Racing Competition — 9/10
Achieves high horsepower for competitive advantage.

Engine Performance — 10/10
Directly increases horsepower and torque figures.

Daily Driving Comfort — 3/10
Focus is on peak performance, not comfort.

Frequently Asked Questions

Will the Roush RSH Supercharger Upgrade Kits fit my vehicle?

Fitment is confirmed for the 2015-2017 Ford Mustang models. These kits are engineered to integrate seamlessly with your specific vehicle's architecture. Expect precise integration and optimal performance when installed on compatible Mustangs.

How difficult is the Roush RSH Supercharger Upgrade Kits installation?

Professional installation is recommended for the RSH Supercharger Upgrade Kits. This ensures optimal integration and performance, as advised by a qualified technician. Proper installation guarantees the full potential of these advanced forced induction components.

What performance improvement does the RSH Supercharger Upgrade Kits provide over stock?

Achieve a staggering 727 horsepower for ultimate street and track dominance. These kits deliver a significant boost, scoring a 9 for Engine Performance, transforming your vehicle's capabilities. Experience unmatched power and responsiveness on every drive.

Is the Roush RSH Supercharger Upgrade Kits worth upgrading from OEM?

Upgrading from OEM is highly recommended for enthusiasts seeking maximum engine power. The dramatic increases in horsepower and torque offer a significant performance advantage over stock systems. This upgrade is essential for performance driving scenarios.

What are the key performance gains with the Roush RSH Supercharger Upgrade Kits?

Gain an exhilarating surge of 57 additional horsepower and 65 lb-ft of torque. These components are designed to enhance engine performance directly, pushing your vehicle to 727 hp and 610 lb-ft of torque. Experience immediate acceleration and superior pulling power.

Additional Resources

Official Roush Product Page

Important Notices

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Additional Information

Clearance Item:
N
MPN:
421994
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Forced Induction>Forced Induction Components
Product Level:
Premium Performance
Track / Autocross:
9/10
Drag Racing:
9/10
Street Performance:
9/10
Racing Competition:
9/10
Engine Performance:
10/10
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