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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.
The resonator is used to provide the sound the maker of the car wants as well as helping performance in a specific RPM range. So by removing it, you may get the sound you want at the expense of performance.The exhaust system on a car can be tuned just like the pipes of a organ.It has to do with resonance, volume and length. It is one of many details that auto engineers make big bucks figuring out. like loud. Anyways there is a long resonator right after my catalytic converter. My friend says it's for both noise and emission... show more I'm redoing my exhaust system for my 1996 Mazda MX-6. I just want to make it a straight pipe with a glass pack (to tone it) instead of muffler to make it sound loud.