2011-14 Mustang Roush Phase 1 to Phase 2 Supercharger Upgrade Kit by Roush

Details   |  Description
  • 2011-14 Mustang Roush Supercharger,
Picture of 2011-14 Mustang Roush Supercharger

Upgrade your 2011-2014 Mustang ROUSH phase 1 to a phase 2 with this supercharger upgrade kit!

Item #RSH-421389
MPN# 421389

Everyday Low Price: $767.99

  Ships from supplier by Friday, June 01

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  • Produces 625 Horsepower
  • Makes 525ft/lb Torque


  • 85mm Supercharger Pulley
  • 6 Rib Serpentine Belt
  • Cold Air Induction Kit Included

What's in the Box

  • (1) 85mm Supercharger Pulley
  • (1) 6-Rib Serpentine FEAD (Front Engine Accessory Drive) Belt
  • (1) ROUSH Cold Air Induction System

Made in the USA

Product Description

Phase 1 to Phase 2 Kit
If you are ready for more power out of your Roush Phase 1 equipped 2011-2014 Mustang GT, this Phase 1 to Phase 2 upgrade kit is for you! This supercharger upgrade kit pushes your Phase 1 Mustang up to 625 horsepower and 525 ft-lbs of torque. This kit includes all of the necessary items to make the install quick and easy. Features a new 6 rib serpentine FEAD (Front Engine Accessory Drive) Belt, and a ROUSH cold air induction system with a 110mm MAF tube. An 85mm supercharger pulley gets this kit producing more boost for more power!

Kit Includes
(1) 85mm Supercharger Pulley
(1) 6-Rib Serpentine FEAD (Front Engine Accessory Drive) Belt
(1) ROUSH Cold Air Induction System
(1) 110mm MAF Tube

- Fits 2011-2014 Mustang GT w/ Phase 1 Roush Kit
- NOT approved for sale or installation in the state of California

ROUSH® Limited Warranty - Click Here

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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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