Muffler

MF_JK said:

Hey guys, so I just got a 14" magnaflow muffler installed in my 2dr Jeep jk, about how much hp did I get from the muffler ?


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Sullivan said:

Did you put the stickers on that came with it? If so, then 5hp per sticker.
It's true, I saw it on the interwebs.


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WJCO said:

Typically zero. You'd have to put it on a Dyno to know for sure, but typically the muffler's baffles don't restrict much of anything. The cat converter restricts a little bit, but typically muffler doesn't change anything.

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