Roush Supercharger "Roushcharger" Kit GT 2005-2006

Roush: 420112
MSRP: $5099.99
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Roush Supercharger "Roushcharger" Kit GT 2005-2006

Product Description

Roush "Roushcharger" Supercharger Kit for 2005-2006 Mustang GTs.

Add serious power to your Mustang with the ROUSHcharger Kit. This Ford Mustang supercharger kit adds 135 hp and 80 lb-ft of torque at the flywheel to 2005-2006 Ford Mustang GTs with the 4.6L, 3-valve V8 powertrain system, bringing the total power to 435 hp and 400 ft-lb.

This system fits both manual and automatic vehicles. Please note that this kit only works for 2005-2006 model year Mustang GTs. Available in black or chrome finishes.

The ROUSHcharger is the only Ford Mustang supercharger on the market protected by Ford's 3 year / 36,000 mile factory drivetrain warranty, or one year on ROUSH components for vehicles already past their warranty date. This kit is also 50 state legal.

-ROUSH M90 Roots-style supercharger
-Intake manifold
-Air-to-water intercooler system
-73mm supercharger pulley (generating 5 PSI of boost)
-High-flow fuel injectors and induction system
-All necessary hardware, brackets & fasteners
-Install instructions
-Upgraded ROUSH PCM calibration

ROUSHcharger owners must ship their PCM unit to ROUSH Performance for the necessary calibration (overnight shipping is included for free). This kit also features the "ROUSH" logo, showing that serious performance lies within when you raise your hood.

A hidden but important feature of this system is the ROUSH? PCM calibration. ROUSH? goes to great lengths to develop calibrations for its ROUSHchargers? that provide industry-leading reliability, performance, and engine durability across the gamut of environmental and load conditions. No other competitive system has the same level of refinement. That's why ROUSH? stands behind its superchargers with an industry-leading warranty.

Installation Instructions

Mustang Installation

Mustang Applications

This product will fit the following Ford Mustang years:

Product Reviews

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Product Questions


is this kit legal in California?

Asked by: GTdel
This kit is 50 state legal (EO #D-418-18).
Answered by: CJPP Dave
Date published: 2015-10-21

Hi, can you change the pulley on these to increase boost and horse power??

Asked by: UKMustang
We wouldn't recommend it - it might damage other components.
Answered by: CJ Pony Parts
Date published: 2015-09-09

Hello  I want to know if you can send the ROUSH   Roush supercharger for Puerto Rico thanks.

Asked by: sigmar
We can ship to Puerto Rico.
Answered by: CJ Pony Parts
Date published: 2015-04-27

 The Roush 427 IR crate engine 560 hp. What supercharger could be added ? Expected hp gain ? What automatic 4 speed overdrive or manual stall conversion transmission would work for 427 IR ? Or supercharged 427 IR engine ?

Asked by: FlyingDutchman
That's more of a question for Roush than for us. We don't sell that engine, so we aren't as familiar with how you can mod it.
Answered by: CJ Pony Parts
Date published: 2015-04-24
  • 2015-11-30T09:01CST
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