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Originally Posted by TCamusJr
So I'm wondering, what is it that makes a cat-back set up, such as a magnaflow cat and resonator and muffler upgrade, more powerful than stock?
I realize the exhausts sound differently, but is an upgrade of that nature truly more powerful than stock, and if so, what is it that makes it more powerful? Are those components built differently?
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I can't exactly tell you that an aftermarket system will be better, because so many custom systems are different and not many people have done a before/after test with a dyno to get some actual numbers. I will be doing a system this summer, so I'll be able to tell you how it sounds/feels, and be able to give you some exact numbers on the ever popular and increasingly accurate butt dyno
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