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Sound. Every exhaust system or muffler has its own unique sound. You can add a Magnaflow muffler to your exhaust for a pleasing, slightly louder-than-stock tone, or you can get an aggressive growl out of a glasspack Cherry Bomb muffler.ufflers. If your exhaust system ended at the catalytic converter, your vehicle would be obnoxiously loud and noisy-far from the high-performance growl you know and love. As their name implies, mufflers reduce the noise coming out of your exhaust to less-than-deafening levels.
Standard mufflers offer some noise suppression in an exhaust system, but those components use their physical structures to just tamp down on or muffle the sound. An exhaust resonator, on the other hand, relies on physics and uses an acoustic resonator that generates its own tone and sound waves. This tone, in turn, neutralizes the natural sound of the engine by emitting sound waves that cancel out the engine's sound waves. An exhaust resonator tip also improves a vehicle's performance by reducing the amount of fuel needed to yield a certain horsepower. Meet noise regulations, pass emissions tests, or just achieve that perfect purr by exploring the large inventory on eBay, including popular 2 and 3-inch exhaust resonator options.