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High flow cat worth it?

9073 Views 21 Replies 9 Participants Last post by  JeremyJ
I have no secondary cat (one under the cab of my truck) i got a flowmater 40 series and its dumped right after. right now w/o the cat is super loud but sounds mean, would a high flow cat be worth putting on performance wise? and would it quiet it down a bit?
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Dude. Quit being so defensive. He was only trying to help you out.
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