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

Item 389801
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Market Price $891.24 You Save 13% ($116.25)
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$774.99 (kit)

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      Video Review & Installation

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • 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


      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

      Roush 421389

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      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

      Tech Specs


      Customer Reviews (3)

        Reviews of Roush Intake products have an average rating of 4.8 out of 5

          Questions & Answers

          10 More Questions

          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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