BBK's 2005-2010 Mustang GT VariTube axle back kit gives you the option to to change the sound of your car from a chambered muffler to a open chamber. When closed the mufflers give you a deep, throaty sound and with the simple turn of a wrench it turns into a loud, aggressive exhaust note.
They are constructed from stainless steel and have a 4" polished stainless tip. They are a direct bolt on
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