2015 Roush RS3 Mustang Delivers 670 HP and 545 LB-FT: Video

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Tired of Dodge Challenger SRT Hellcat owners having all of the fun at the drag strip? For any sixth-generation Mustang owners out there, famous Ford Motor Company [NYSE:F] tuner Roush has a package that may just silence those Hellcat owners. It’s called the RS3, short for Roush Stage 3, and thanks to a custom supercharger delivers an impressive 670 horsepower and 545 pound-feet of torque.

The RS3 package is designed for the 2015 Mustang GT, and builds on the lesser RS, RS1 and RS2 packages by adding the aforementioned supercharger to the car’s 5.0-liter V-8. The setup was developed with Ford Racing and consists of a 2.3-liter TVS supercharger plus all the necessary plumbing and ECU work.

ALSO SEE: 2016 Ford Mustang Gets Minor Updates, California Special

Pricing for the package starts at $21,995, plus a donor Mustang GT, and that includes a generous—for a modified car—3-year/36,000-mile limited warranty. The package also includes a host of other performance mods including a high-flow exhaust system, adjustable suspension (1-way), 20-inch wheels, and aero kit.

Available upgrades include 3-way adjustable suspension, hood-mounted heat extractors, polished wheels with performance tires and locking nuts, and Recaro bucket seats with leather trim.

The RS3 package is available now from select Ford dealerships and retail channels for Ford Racing and Roush.

Note, if you’re thinking 670 hp is just not enough—for some there’s just never enough power—Roush is working on Phase 2 and Phase 3 calibration upgrades that will likely see output of the RS3 package go well beyond 700 hp. There are also tuners already offering such power for the latest Mustang, including Saleen’s 715-hp 302 Black Label package and Vaughn Gittin Jr.’s 725-hp RTR package.

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