Universal 3 Inch Varitune Adjustable Muffler Double Offset (439 S/S)-31035 FrontLines 88/6 L 1964 - 1967

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Universal 3 Inch Varitune Adjustable Muffler Double Offset (439 S/S)-31035 FrontLines 88/6 L 1964 - 1967These patented BBK Performance Varitune mufflers are the first of their kind in the aftermarket, fully adjustable performance Mufflers that can be adjusted for a louder or quieter sound and horsepower by simply moving the adjustment screw in or out from underneath the car with a wrench! These mufflers are available in 439 stainless steel, in 2. 5 in., 2. 75 in. and 3. 0 in. and with various offsets to fit most aftermarket and OEM applications. These