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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.
A lot of places online will allow you to hear a sampling of your car with different mufflers on it so you can see what tone you like the best. Some mufflers are meant to make your car louder, and others are made to make your car sound deeper. Try to do your research to get the richest tone possible.f you want a lumpy sound to your car, you can always change out the cams. Some cams do not work well with other additions to a car, like a turbo system, so be aware of that before you make a purchase.