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2011-14 Ford Mustang Roush Phase 2 to Phase 3 Supercharger Upgrade Kit - S197

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Mustang Roush Phase 2 to Phase 3 Supercharger Upgrade Kit (11-14)

This ROUSH Phase 2 to Phase 3 supercharger upgrade kit greatly increases the horsepower in your 11-14 Mustang.

Item# RSH-421597

Everyday Low Price: $1,099.99

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  • Produces 675 Horsepower
  • Makes 585ft/lb Torque


  • 80mm Supercharger Pulley
  • Plug-n-Play Harness
  • 3 Year Warranty

What's in the Box

  • (1) ROUSH Fuel Pump Voltage Regulator
  • (1) Plug-n-Play wiring harness
  • (1) 80mm supercharger

Made in the USA

Product Description

Phase 2 to Phase 3 Kit
If you are ready for more power out of your Roush Phase 2 equipped 2011-2014 Mustang GT, this Phase 2 to Phase 3 upgrade kit is for you! This supercharger upgrade kit pushes your Phase 2 Mustang up to 675 horsepower and 585 ft-lbs of torque. This kit includes all of the necessary items to make the install quick and easy. Features a new ROUSH fuel pump voltage regulator to moderate fuel flow and provide your motor with the fuel it needs. A ROUSH plug and play wiring harness for a no modifications needed install. An 80mm supercharger pulley gets this kit producing more boost for more power!

Kit Includes
(1) ROUSH Fuel Pump Voltage Regulator
(1) Plug-n-Play wiring harness
(1) 80mm supercharger

Warranty Info
Part # 421596
The 2011-2014 ROUSH 5.0L Mustang Phase 1 to Phase 3 Supercharger Upgrade Kit is protected by ROUSH Parts limited warranty (ROUSH Supplied Parts Only), which is for 3 years or 36,000 miles from original installation date.

- Fits 2011-2014 Mustang GT w/ Phase 2 Roush Kit
- NOT approved for sale or installation in the state of California

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Vehicle Applications

Ford Mustang - 2011 (11) - 2012 (12) - 2013 (13) - 2014 (14)

About This Brand

Roush - The Art of Performance Engineering
ROUSH Performance is the first specialty-vehicle company to combine race-proven technologies with advanced automotive engineering. The result, a unique mix of street car and race car...Is a ROUSH car. Or more specifically, a ROUSH Mustang or F-150 pickup with styling, performance, and handling characteristics derived from the racetrack and modified for street legal usage. The vehicles and components produced by ROUSH Performance are imprinted with Jack Roush's vision, passion for performance, and commitment to excellence. He personally approves the design, engineering, fit, finish and overall performance of each package, ensuring that his personal standards are met prior to production and product release. Many of these products are designed by the same engineering group that has helped Roush Racing become the winningest Ford racing team in history.

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