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

Market Price $1,099.99 You Save 5% ($50.00)

$1,049.99

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  • Item 69134
  • MPN# 421597

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Features & Details

  • Upgrade to 675 Horsepower and 585 lb-ft of Torque
  • Maintains Original 3 Year / 36,000 Mile Limited Warranty
  • Roush PCM Flash Voucher Card
  • Fits 2011-2014 Manual GT Mustangs with Roush Phase 2 Supercharger Installed

Product Resources

More Horsepower! Increase the power of your Roush Phase 2 Supercharger to an impressive 675 horsepower and 585 lb-ft of torque with a Phase 2 to Phase 3 Supercharger Upgrade Kit. That's an increase of 50 horsepower and 60 lb-ft of torque.

Kit Includes. The Roush Phase 2 to Phase 3 Supercharger Upgrade Kit includes a new 80mm Supercharger Pulley, Fuel Pump Voltage Regulator with Plug-n-Play wiring harness, a ROUSH PCM Flash Voucher Card and installation instructions.

Roush Performance quality - guaranteed. Roush is known for a rich tradition of excellent racing performance engineering at the highest level of OEM quality and design. This Supercharger upgrade kit maintains the original limited 3 year / 36,000 mile warranty.



Upgraded ROUSH PCM calibration. ROUSH® PCM calibration is a success of engineering that maximizes the power of the system. ROUSHcharger owners will receive a ROUSH® PCM Flash Voucher Card, which is used to obtain the specific calibration needed for your Mustang and requires ROUSH Diagnostic Tool (RDT) software and a J2534 Pass-Through device to upgrade your PCM (software and pass-through device not included).

Application. This Phase 2 to Phase 3 Supercharger Upgrade Kit works for 2011-2014 GT Mustangs with the Roush Phase 2 supercharger installed. Fits manual transmissions only. Does not fit BOSS 302 models. NOT approved for sale or installation in the state of California.

Fitment: 2011 2012 2013 2014 Details

What's in the Box
  • Fuel Pump Voltage Regulator
  • Plug-n-Play wiring harness
  • Bolt on 80mm Supercharger Pulley
  • ROUSH PCM Flash Voucher Card
  • Installation Instructions
Installation Info
Will it fit my Mustang?
  • GT - 11, 12, 13, 14

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