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BBK Varitune axle-back exhaust system for 2015–2016 Ford Mustang GT offers adjustable Varitune mufflers with a patented internal power valve that lets you tune exhaust flow and sound using a wrench at the rear of the muffler, then lock the setting with a nut. Kits include new hangers, clamps and 4 in. brushed stainless tips; available in aluminized or stainless steel as a direct bolt-on replacement.
BBK 2015-16 Ford Mustang GT Varitune Axle Back System (Cut & Clamp Direct Bolt On Design)
