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  #13  
Old 11-20-2009, 12:48 AM
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Re: Help me plan!

Thank you so much '00 UnLimited, exactly what I was looking for!
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  #14  
Old 11-20-2009, 01:11 AM
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Re: Help me plan!

No problem. And since your doing the install yourself, I'll give you a little extra help. A little over a year ago, the cat on my 93 ZJ failed, and as there are no emissions test in WI, I just decided to replace it with a straight pipe. I went to a local muffler shop and for $10, they cut me the length of pipe that I needed and stretched the inner diameter of the inlet/outlets to just over 2.5 inches so that it slid over the rest of the pipe a little easier. Also, I used a little grease to help slide it into place. After that I just placed the clamps on and cranked 'em tight.
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  #15  
Old 11-20-2009, 06:22 PM
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Re: Help me plan!

I wish there was no emissions test in CT...LOL
One thing tho, I am just going to take off the old muffler which is clamped on. Am I going to have to stretch the Powerstick in/outlets?
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  #16  
Old 11-20-2009, 06:29 PM
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Re: Help me plan!

Well, the outside diameter of your pipes is 2.5 inches. It depends on whether or not the inside diameter of the powerstick is also 2.5 inches. If they are measuring the outside diameter of the powerstick at 2.5, then you may need to get it stretched ever so slightly so that it slides over the existing pipes. Or, you could cut a small slit lengthwise down the pipe and compress it a little so the powerstick fits over it.
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  #17  
Old 11-24-2009, 05:13 PM
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Re: Help me plan!

Just another question, I haven't bought one yet. If the pipes are not setup for Center/Center in and outlets is that a problem? If my muffler(Haven't checked) is Center/Offset then will this Powerstick not go in right? I just want to be able to take the old muffler outta it's clamps and slap the powerstick in after spreading a little.
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  #18  
Old 11-24-2009, 05:21 PM
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Re: Help me plan!

I think Will has one if i remember correctly and has a video... if i can find it ill add the link... it sounded pretty good from what i remember
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Old 11-24-2009, 05:30 PM
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Re: Help me plan!

His is 31" long
Here are the links
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  #20  
Old 11-25-2009, 12:10 AM
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Re: Help me plan!

OK That sounds pretty good. Does anyone suggest another muffler louder than that for a 4.0 tho? I want the loudest!
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  #21  
Old 11-25-2009, 12:35 AM
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Re: Help me plan!

Other than removing the muffler completely, I don't think you can get much louder than that. I feel also that I should mention that you don't absolutely have to stretch the Powerstick to make it fit over your stock pipes. I only mentioned that because I went to muffler shop and had them make my straight pipe custom. I had a 93 Grand and whether or not they have to stretch it to make it fit over your existing pipes depends on the setup that you have right now....
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  #22  
Old 11-25-2009, 12:41 AM
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Re: Help me plan!

our straight six's don't growl, they have no rumble. your best bet and the best sounding note while being loud is a flowmaster 44 with a magnaflow cat. i have tried all different kinds of mufflers on my buddies 4.0 and that is the best its pretty loud but not annoying and has a good note at all throttle positions.
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  #23  
Old 11-25-2009, 12:51 AM
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Re: Help me plan!

Not to refute you DennyBoy, but I've heard that the flowmaster 44 series has a lot of drone. But that's just what I've heard, so I could be very wrong. I personally have no idea what it sounds like on a straight six so please don't think I know everything.
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  #24  
Old 11-25-2009, 01:58 AM
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Re: Help me plan!

Anyone with knowledge of exhaust systems and the 4.0 WJ please PM me, I'm sick of the headaches of searching for parts that fit/match....lol thank you!
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