BBK VariTune Rear Axle Back Exhaust Systems 41015

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Fits: 2011–2014 Ford Mustang BBK41015Axle BackNow Available for 2011-2014 Mustang GT - this 304 stainless BBK Varitune axle back exhaust kits offer true full tune ability with our patented adjustable power valve to add a true aggressive exhaust tone to your car that can be adjusted any time by adjusting the Varitune power valve - turn up the performance and sound for the track weekend- turn it down for around town in the week.BBK VariTune axle back exhaust systems offer full tuning ability. Featuring BBK's patented adjustable power valve, the systems come complete with two tunable VariTune performance mufflers engineered with the high-flow direct fit stainless steel tubing and hardware for an easy bolt-on installation. They include a pair of stylish 4 in. stainless tips to deliver good looks along with maximum performance. The performance mufflers that can be adjusted for sound and horsepower, from underneath the car, by simply moving the adjustment screw in or out. VariTune mufflers utilize a unique internal power valve that when in the closed position blocks the exhaust flow, forcing it through all three chambers of the muffler for a classic mellow sound. When in the open position, the valve opens the exhaust flow allowing it to take the path of least resistance, acting more like a straight-through muffler for an aggressive throaty exhaust note. Simple, yet effective, the BBK VariTune rear axle back exhaust systems deliver the most performance, while allowing you to tune to the desirable level. Show more