Mustang GT Supercharger Single Belt Phase 1 (2005-2009)

Free Shipping Our Price: $6149.99 (USD) *
Part #: 421099
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Live in Canada? Place your order at 800-597-6874

Product Features

  • Phase 1 ROUSH TVS 2.3L Roots-Style Supercharger (475HP/435 ft-lb)
  • Fits 2005-2009 4.6L 3V Mustang GT (manual transmission only)
  • Bolt-on 105mm 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
  • 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 #421099
  • NOT for sale in California or other EO “green” states
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This Mustang GT Supercharger is a Single Belt Phase 1 kit that brings your 2005-2009 Mustang GT power to a total of 475 hp and 435 lb-ft at the flywheel!

This supercharger kit components includes the following:

  • Induction system
  • Intercooler
  • Fuel charging assembly
  • TVS2300 ROUSHcharger®
  • 105mm bolt-on pulley
  • ROUSH Flash Voucher Card
  • Wiring

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.

One of the great things about ROUSH's line of Phased R2300 superchargers is that you can later upgrade to a higher level of horsepower with an upgrade kit. You can upgrade this 2005-2009 Mustang GT Supercharger with the Single Belt Phase 1-2 2005-2009 Mustang Supercharger Upgrade (part #421101).

This Mustang GT Supercharger Kit is part of a line of superchargers kits for Mustang GT's that allow for upgraded performance over time. This "phased" line-up includes two different FEAD systems, which cannot be converted from one to the other. The single belt FEAD systems are less expensive than the comparable dual belt Mustang supercharger kits. However, the dual belt systems provide a more robust control of power, which is especially beneficial for higher horsepower applications.

This 2005-2009 Mustang GT Supercharger is covered by the standard 3 year, 36,000 Mile ROUSH parts only warranty -- on ROUSH components only for 90-days from the retail purchase date (no labor).

>> View the ROUSH Supercharger Application Guide

Phased 2005-2009 Mustang GT Supercharger Dyno Chart
Phased 2005-2009 Mustang GT Supercharger Dyno Chart

Mustang: 2009, 2008, 2007, 2006, 2005

  • Difficulty: Advanced
  • Time: 10 hours
  • Required Tools: Garage tools
* 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.