Roush has been busy working on the Stage 3 Mustang for 2015 and if this video is any indication, it’s going to be something wicked. Atop the 5.0L engine is a 2.3L TVS supercharger that is the key to the transformation from Mustang GT to Roush’s fire-breather. Upgraded fuel injectors, a 75mm pulley for the […]
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