- This 2011 Mustang GT Performance package includes the Roush Cold Air Intake Kit (420131) & Roush Axle Back Exhaust System (421127). This performance package will give you added horsepower and sound. This kit will add 25-30 HP and get your new 5.0L Mustang up to about 440HP.
- Item usually ships out of our warehouse in: 1 Days
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