2011-14 Ford Mustang Roush R2300 Phase 3 Supercharger Kit - S197 - 5.0 by Roush

Mustang Roush R2300 Phase 3 Supercharger Kit (11-14) 5.0

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Roush Mustang R2300 Phase 3 Supercharger Kit (11-14) 5.0 421542
  • Roush Mustang R2300 Phase 3 Supercharger Kit (11-14) 5.0 421542
  • Roush Mustang R2300 Phase 3 Supercharger Kit (11-14) 5.0 421542

Add a Roush R2300 Phase 3 Supercharger Kit to your 11-14 Mustang 5.0 for awesome performance to boost your horsepower to 675hp!

Item #RSH-421542
MPN# 421542

Your Price: $7,300.99

Market Price:$7,415.99
You Save 1.55 % ($115.00)

Ships from supplier by Monday, July 24


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  • Increased Horsepower
  • Roush Engineered Package


  • Plug & Play Fuel System Upgrade
  • Unique Roush PCM Calibration
  • **Manual Transmission Only**
  • **Will Not Fit Boss 302**

What's in the Box

  • (1) Roush Stage 3 Supercharger Kit
  • (8) Spark Plugs for Supercharged applications
  • Installation Instructions
  • Installation Hardware

Made in the USA

Product Description

Roush Phase 3 Supercharger Kit
Upgrade the performance of your 11-14 MUSTANG 5.0 with a ROUSH R2300 PHASE 3 SUPERCHARGER KIT designed to make 675HP and 585ft/lb torque.
The Phase 3 Supercharger Kit by ROUSH is the ultimate power-adder for your 2011-2014 5.0L Ford Mustang GT. This kit is calibrated to deliver 675 HP and 585 FT/LB of torque, an increase of 255 HP and 195 FT/LB over stock!
With this much horsepower under the hood, ROUSH Performance went one step further to ensure that the fuel delivery system can meet the increased fuel needs. A Fuel Pump Voltage Regulator and an easy to install Plug-n-Play wiring harness were developed to help protect against extreme fuel-to-air changes and possible engine damage.

Roush R2300 Supercharger
The 675 HP Phase 3 Calibrated Supercharger Kit is part of the TVS (Twin Vortices Series) line of superchargers, developed by ROUSH, that have raised the bar for performance, reliability and efficiency. This is the same line that has been used and proven for years in ROUSH-built vehicles. The ROUSH R2300 supercharger features Eaton's TVS technology rotating assembly that delivers more power and better fuel economy in a smaller package for uncompromising performance.

The primary components of the Phase 3 ROUSHcharger Kit include:
ROUSH R2300 2.3L TVS Supercharger
80mm Supercharger Pulley
ROUSH Fuel Pump Voltage Regulator with Plug-n-Play wiring harness
Upper and lower aluminum intake manifolds
Twin 60mm throttle body and matching throttle body spacer
Cold air induction system
High flow fuel rail with 47lb injectors
High efficiency intercooler system
Large full face low temperature radiator
All required fasteners, wiring, brackets, hoses and clamps

NOT approved for sale or installation in the state of California

The 2011-2014 Ford Mustang GT Supercharger - ROUSH Phase 3 - 675 HP Calibrated Kit is protected by ROUSH Parts limited warranty (ROUSH Supplied Parts Only), which is for 3 years or 36,000 miles from original installation date.

ROUSH® Limited Warranty - Click Here

Product Videos

Roush Mustang Supercharger Kit (2011-14 5.0L GT)

Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more. The best place to go for anything Mustang related!

Product Reviews (1)

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1 of 1 REVIEWS
1 of 1 REVIEWS

5 Stars   Insane!
By on 10/24/2015
I ordered this late last year for my 2011 GT, and it sat in my shed for most of this year because my daily driver was in the repair shop and I couldn't afford to have both vehicles unavailable.,

It's been on the car for about a month as of this writing.

Driveability is superb. It behaves like it's just a little more torquey than stock until you are serious about pressing the accelerator pedal, and once you do the exhaust gets loud (GT500 mufflers), you become intimately acquainted with your seatback, and as the revs rise, the whine from the compressor makes itself known. The compressor whine is mostly subdued until you hit about 4k RPM. Above that point it starts getting pretty loud.

I didn't do the install myself, but the mechanic that I had do the work said that aside from a problem with Roush's website that prevented him from downloading the ECM flash code, it was the cleanest, easiest blower kit install he'd ever done. A lot of the parts have Ford markings on them, so I expect that they are re-purposed GT500 parts, and are probably shared with the FRP kits.

Totally worth the wait, and the cost, and after shopping it, LMR had the best price.

Yes, I would recommend this item to a friend!

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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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