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  • 2015 ROUSH Stage 3 Mustang: 670 HP On Tap

    You may have noticed the big announcement that ROUSH Performance made last week: that our all-new 2015 ROUSH Stage 3 Mustang is producing 670 horsepower and 545 lb-ft of torque. That’s an incredible 235 horsepower and 145 lb-ft over a stock 2015 Ford Mustang 5.0L. With 134 horsepower per liter, the 2015 ROUSH Stage 3 Mustang overshoots the competition with the most horsepower per liter when compared to Dodge’s most powerful offering in the segment (114 horsepower per liter) and... continue reading

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