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Roush R2300 Phase 1 to Phase 2 Supercharger Upgrade Kit (05-09 GT)

Market Price $1,499.99 You Save 4% ($60.00)
Our Price

$1,439.99

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  • Item 389812
  • MPN# 421101

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Features & Details

  • Serious Power Upgrade
  • Upgrade from 475 to 550 HP
  • Upgrade from 435 to 500 ft. lbs.
  • Bolt-on 80mm Supercharger Pulley
  • Pulley Ratio: 2.1
  • Dual Fuel Pump Kit
  • Roush PCM Flash Voucher Card Included
  • Fits 2005-2009 GT Mustangs with a Roush Phase 1 Supercharger
Much More Horsepower! Increase the power of your Roush R2300 Phase 1 supercharger from 475HP/435 ft-lb to an impressive 550HP/500 ft-lb with a Phase 1 to Phase 2 Supercharger Upgrade Kit. That's an increase of 75 horsepower and 65 lb-ft of torque that you'll feel immediately upon installation!

Kit Includes. The Roush R2300 Phase 1 to Phase 2 Supercharger Upgrade Kit includes a new 80mm Bolt-on Pulley, 6-Rib Serpentine Belt, Dual Fuel Pump Kit, ROUSH PCM Flash Voucher Card and installation instructions.

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 ROUSH Phase 1 to 2 Supercharger Upgrade Kit fits 2005-2009 GT Mustangs equipped with the 4.6L Modular V8 engine and a ROUSH Phase 1 TVS Supercharger installed.

Technical Note. This ROUSH Phase 1 to 2 Supercharger Upgrade Kit is not legal for use in California or other states adopting California emission standards.

Fitment: 2005 2006 2007 2008 2009 Details

What's in the Box
  • (1) 80mm Supercharger Pulley
  • (1) 6-Rib Serpentine Belt
  • (1) ROUSH Flash Voucher Card
  • (1) Dual Fuel Pump Upgrade
Installation Info
Tech Specs
Will it fit my Mustang?
  • GT - 05, 06, 07, 08, 09

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Customer Reviews (1) Write a Review

Overall Rating 5.0

out of 5 stars

  • Performance Gain 5 5
  • Fit 5 5



  • 5/5

    December 18, 2016

    Amazing

    This product is a bit pricey but definitely worth every penny if you're looking to take your stang to the next level

    Jay

    Year: 2008 Submodel: GT

    Helpful (1)

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