670 horsepower

  • ROUSH Stage 3 Mustang Produces 670 HP

    May 7, 2015 – PLYMOUTH, MICHIGAN – ROUSH Performance is excited to announce final horsepower ratings for the all-new 2015 ROUSH Stage 3 Mustang. The RS3 is cranking out a heart-racing 670 horsepower and 545 lb-ft of torque to deliver the ultimate driving experience. All 670 horsepower are created as a direct result of the powerful combination of Ford’s 5.0L V8 engine with ROUSH Performance’s dynamic new 2015 2.3L TVS supercharger. The new ROUSH Mustang’s generous power ratings impeccably compliment... continue reading

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