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BBK VariTune adjustable performance muffler lets you tune exhaust sound and airflow by turning an underbody adjustment screw to make the system louder or quieter while influencing backpressure. This 2.5-inch chambered double-offset muffler is constructed from 439 stainless steel with 2.5-inch inlet and outlet, and fits many aftermarket and OEM applications, including most Ford Mustang applications.
BBK VariTune Adjustable Performance Muffler 2-1/2 Offset/Offset Stainless Steel
