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Old 05-18-2011, 10:19 PM   #1
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couple of exhaust questions.

They may be dumb questions but I'm going to ask either way. I'm looking at getting a cat back system and I was wondering if I NEED to get a new cat converter? Also is it worth getting headers at the same time?
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Old 05-18-2011, 10:24 PM   #2
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No such thing as a dumb question. Dumb is asking why, after you do something.

What are you looking for, performance or noise?

Better exhaust flow is a good thing. Umm a header and cat back isn't going to do a lot if the cat you have is a smaller diameter pipe.

If it's just noise you want, yep the right cat back system alone will change that one.

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Old 05-19-2011, 07:34 AM   #3
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I hear ya. I wanna do a header back system eventually but right now I'm not looking for a jump in performance. I've had my eye on the banks monster exhaust. What do you think?
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Old 05-19-2011, 08:18 AM   #4
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Honestly I've got no experience with the Bank's system.
I like Flowmaster myself

Use the search function here to see what others are using.
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Old 05-19-2011, 08:56 AM   #5
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i ordered the banks monster. my dad had it on his yj a while back and he really liked it. thanks for your advice.
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Old 05-19-2011, 07:40 PM   #6
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Love my Flowmaster. It took a hundred miles or so for the sound to mellow out but I love it.
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Old 05-19-2011, 08:05 PM   #7
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X2 on the flowmaster. Put the 40 series on mine and love it. Turn down after muffler.
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Old 05-19-2011, 08:27 PM   #8
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Quote:
Originally Posted by the59sound
They may be dumb questions but I'm going to ask either way. I'm looking at getting a cat back system and I was wondering if I NEED to get a new cat converter? Also is it worth getting headers at the same time?
I just did the whole thing but the cat should fit but why go thru the headache of changing it in a couple of years. GET THE HEADER
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Old 05-19-2011, 10:56 PM   #9
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So I'm rockin an LJ and I'm havin a hard time findin exhausts for it so I was thinking just have a local shop do a custom job, what size pipe do you have.. 2.5in or 3in
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Old 05-19-2011, 11:43 PM   #10
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I have the Flowmaster with a high flow cat-as much of a difference as I heard with just the Flowmaster the high flow cat made a big difference also.

I have considered changing the header pipe but the general opinion around the forum is that the factory header pipe is as good as MOST replacements. Right now I am of the opinion since it is not broke I won't fix it.
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Old 05-20-2011, 03:16 PM   #11
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I have a flowmaster 40. right now I have a low rumble would a larger tip give it more rumble or just louder?
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Old 05-23-2011, 06:48 PM   #12
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Just put my banks monster cat back on today and it sounds really good. Not too loud or ricey. I'm really happy with it
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Old 05-28-2011, 09:45 PM   #13
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Put my Banks Power Monster on last summer. I love it absolutely!!

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