The MagnaFlow 1965-1969 Chevrolet Impala Street Series Crossmember-Back Performance Exhaust System 15165 brings enhanced engine sound and dyno-proven performance to your 3.8L, 4.1L, 4.6L, 5.0L, 5.3L, 5.4L, 5.7L, 6.5L, 6.7L, 7.0L 1965-1969 Chevrolet Impala 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 Chevrolet Impala exhaust system will handle whatever tarmac you decide to leave your mark on. This performance exhaust kit features a crossmember-back layout designed to replace your Chevrolet Impala's exhaust system from the crossmember on back. With its fast-flowing, mandrel bent 2.5in. main piping and 2 Straight-Through mufflers ending in a Multiple Exit Options exit with 2.5in. Polished Weld-On Single Wall Turndown Cut Edge tips, your muscle car 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. 15165 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow's limited lifetime construction warranty.