Ford Mustang Supercharger Single Belt Phase 2 (2005-2009)

Free Shipping Our Price: $7035.99 (USD) *
Part #: 421100
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Live in Canada? Place your order at 800-597-6874

Product Features

  • Phase 2 ROUSH TVS 2.3L Roots-Style Supercharger (550HP/500 ft-lb)
  • Fits 2005-2009 4.6L 3V Mustang GT (manual transmission only)
  • Bolt-on 80mm Supercharger Pulley
  • Fuel Charging Assembly with ROUSH-Designed aluminum upper & lower intake manifolds
  • High-Efficiency Intercooler System
  • High-Flow fuel rail system with 52lb fuel injectors
  • Dual fuel pump system upgrade included
  • Twin 60mm Throttle Body
  • Single-belt Driven FEAD System
  • Low-restriction 110mm mass air flow tube with ROUSH Cold Air Induction System
  • Includes all necessary hardware needed to complete installation
  • ROUSH Custom PCM Calibration – To be downloaded using the RDT software
  • Part #421100 (Phase 1-2 Upgrade Kit can be found under part #421101)
  • NOT for sale in California or other EO “green” states
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This Mustang GT Supercharger Kit is engineered for the 2005-2009 models and brings your car's total power to an impressive 550 hp and 500 lb-ft at the flywheel.

Below is a list of the components included in the supercharger kit for the Mustang GT:
  • TVS2300 supercharger
  • Induction system
  • 80mm bolt-on pulley
  • Fuel charging assembly
  • Intercooler
  • Wiring
  • ROUSH Flash Voucher Card
  • GT500 fuel system upgrade


This part now utilizes the ROUSH Flash Voucher card to be calibrated using ROUSH Diagnostic Tool (RDT) software and pass-thru device. If you do not have access to an approved pass-thru device, you can send your PCM back to ROUSH to be flashed for an additional $100.00 fee.

Please contact Customer Care at 800-59-ROUSH if you have any questions.

This Mustang GT Supercharger Kit is part of an innovative line of upgradable ROUSH superchargers kits for Mustang GT's -- allowing you to build up power at your own pace. This "phased" supercharger line includes two different FEAD systems.The single belt FEAD kits are comparatively less expensive than dual belt counterparts. However, the dual belt systems allow for improved management of power. This can help particularly in high horsepower applications.

This 2005-2009 Mustang GT Supercharger Kit comes with the standard ROUSH parts and accessories warranty -- 90-days from retail purchase date on ROUSH components only (no labor).

>> View the ROUSH Supercharger Application Guide

Mustang: 2009, 2008, 2007, 2006, 2005

Customer Reviews:

Average Rating: 5 / 5
Rating of 5 out of 5 stars
(1 reviews)   >> Write a review

Can't say enough good things about my experience

Rating of 5 out of 5 stars 5 / 5

By   September 26th, 2012

It has been 14 months since I got the Phase II supercharger installed on my 2007 Mustang GT convertible at the Roush plant in Michigan. Customer service exceeded expectations. Performance of the car is unbelievable. Absolutely zero problems since the install. Can't say enough positive things about my experience. I live in Canada and have installed numerous other Roush parts on my car. Roush should pay me as a spokesman for their company

* Please note that prices stated here are only for sales within the continental United States only ordered via the ROUSHperformance.com web site. Prices for other territories, such as Canada, may vary due to shipping fees, duties, and other factors. Please also note that orders placed on the ROUSHperformance.com web site can only be shipped to areas within the continental U.S.