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Roush R2300 to Phase 2 Supercharger Upgrade Kit (11-14 GT)

Market Price $799.99 You Save 4% ($32.00)
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$767.99 (kit)

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  • Item 389801

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    Features, Video & Details

    • Upgrade to 625 Horsepower and 525 lb-ft of Torque
    • Includes Cold Air Intake, 85mm Pulley and 6-Rib Serpentine FEAD Belt
    • Roush PCM Flash Voucher Card Included
    • 3 Year / 36,000 Mile Limited Warranty on Roush Parts Only
    • Fits 2011-2014 GT Mustangs with a 525hp, 540hp or 575hp Roush TVS Supercharger Kit

    Review & Installation Video

    Review & Install Video

    More Horsepower and Torque! Increase the power and performance of your current 525 HP, 540 HP or 575 HP Roush Performance 5.0L Mustang Supercharger to an impressive 625 horsepower and 525 lb-ft of torque with a Phase 2 Supercharger Upgrade Kit.

    Kit Includes. The Roush R2300 to Phase 2 Supercharger Upgrade Kit includes a new 85mm S/C Pulley, 6-Rib Serpentine FEAD Belt, Cold Air Intake with 110mm MAF Housing, 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 features a 3 Year/36,000 Mile Parts limited warranty (ROUSH Supplied Parts Only).

    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 2 Supercharger Upgrade Kit works with both manual and automatic 2011-2014 GT Mustangs equipped with the Coyote 5.0L DOHC 4 valve V8 engine and a ROUSH TVS Supercharger that produces 525, 540 or 575 horsepower.

    Fitment: 2011 2012 2013 2014 Details

    MPN# 421389

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • Cold Air Intake System with 110mm MAF
    • 6-Rib Serpentine FEAD Belt
    • 85mm Supercharger Pulley
    • ROUSH PCM Flash Voucher Card
    • Installation Instructions
    Installation Info
    Tech Specs
    Will it fit my Mustang?
    • GT - 11, 12, 13, 14

    This Roush R2300 to Phase 2 Supercharger Upgrade Kit is specifically designed for 2011-2014 GT Mustangs with 525hp, 540hp or 575hp Roush TVS Supercharger Kit installed.

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    Questions & Answers (2)

    2 Top Rated Questions

    Can it fits to my ROUSH Automatic transmission? how about if I upgrade to 675 HP can it fits too

    • This would be for use on the Automatic or Manual transmission 11-14 GT with the Roush R2300 575 HP Supercharger Kit installed.

    Helpful (0)

    would this fit a v6 mustang 2014

    • The Roush R2300 to Phase 2 Supercharger Upgrade Kit is designed specifically to the 2011-2014 GT Mustangs with a 525hp, 540hp or 575hp Roush TVS Supercharger Kit already installed. The Cold Air Intake System with 110mm MAF, 6-Rib Serpentine FEAD Belt, and 85mm Supercharger Pulley only fit on the ROUSH TVS for the GT's, and would not fit your V6 Mustang.

    Helpful (0)
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    Customer Reviews (3) Write a Review

    Overall Rating 5

    out of 5 stars

    Installation Time:Full Day

    Installation Cost:$100-$250

    • Performance Gain 5 5
    • Fit 5 5

    • 5/5

      Installation Time: Shop Install

      Installation Cost: $100-$250

      April 26, 2018

      Roush Phase two upgrade

      very well made and looks great under the hood.must have pass thru device to flash tune it,Roush performance recommended the ford tool so that's what we got,no complaints.took them less than 2 hours and only charged me $170.00


      Year: 2012 Submodel: GT

      Helpful (13)

    • 5/5

      Installation Time: Afternoon

      July 25, 2017

      Roush phase two upgrade kit

      The belt will be the hardest to change. The pulley will come right off after you remove the bolt screws. Two hour job.


      Year: 2013 Submodel: GT

      Helpful (16)

    • 5/5

      Installation Time: Afternoon

      January 02, 2016


      this is a bang for your buck product i totally recommend this product


      Kansas City, MO

      Helpful (17)

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