The MagnaFlow Ford Mustang Street Series 15889 brings enhanced engine sound and dyno-proven performance to your 4.0L 2005-2009 Ford Mustang with a healthy helping of our deep, resonant signature exhaust note at Moderate exterior and Mild interior sound levels. Thanks to its durable, corrosion resistant stainless steel design, this Ford Mustang exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features an axle-back layout designed to replace your Ford Mustang’s exhaust system from near the rear axle on back. With its fast-flowing, mandrel bent 2.5in. main piping and 1 Straight-Through mufflers ending in a Single Straight Passenger Side Rear exit with 3.5in. Polished Welded-Double Wall-Angle Cut-Folded Edge tips, your ride will be sounding as awesome as it looks. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 15889 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty.
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Vehicle Fitment

Years	Make	Model	Trim
2005–2009	Ford	Mustang	Base