Borla 17273 XR1 Long Tube Headers for 2011 Mustang Shelby GT500
Item Code: MU5039
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Significant horsepower increases have been achieved with these headers. This system is a Long Tube racing header which eliminates the catalytic converters and includes and X pipe in the package. This header is for off road use only and is not legal for use on street cars. Tuning may be required to get the best performance from the headers.
- 2011 Ford Mustang Shelby GT500 Coupe and Convertible