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Old 08-13-2007, 06:02 PM   #1
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Exhaust Question

I bought my 89 after it had been sitting for a couple years and the exhaust is rusted apart in 3 places. It has a header on it that rusted out before the flange, it also rusted out right before the cat, then it rusted out where it meets up with the Borla catback (but the muffler has a big ass dent in it). So I pretty much need to get an entirely new exhaust.
Supposedly when the engine was rebuilt the previous owner put a cam and some other goodies in there so I will need some kind of performance setup. My question to you is should I get a new header or just a manifold and save money for better parts elsewhere? I don't know, what would you guys recommend if you had your choice in doing an entire exhaust? I would like it to be at a "reasonable" price because there are quite a few other things I need to do before I can get a VA safety inspection just so I can drive it. I do not have to worry about emissions where I live but I do want some kind of cat on it probably a high flow.
Thanks.

Josh

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Old 08-13-2007, 07:33 PM   #2
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Originally Posted by The Sos View Post
I bought my 89 after it had been sitting for a couple years and the exhaust is rusted apart in 3 places. It has a header on it that rusted out before the flange, it also rusted out right before the cat, then it rusted out where it meets up with the Borla catback (but the muffler has a big ass dent in it). So I pretty much need to get an entirely new exhaust.
Supposedly when the engine was rebuilt the previous owner put a cam and some other goodies in there so I will need some kind of performance setup. My question to you is should I get a new header or just a manifold and save money for better parts elsewhere? I don't know, what would you guys recommend if you had your choice in doing an entire exhaust? I would like it to be at a "reasonable" price because there are quite a few other things I need to do before I can get a VA safety inspection just so I can drive it. I do not have to worry about emissions where I live but I do want some kind of cat on it probably a high flow.
Thanks.

Josh
If your Jeep has been sitting that long, I would not do the bandaid approach. Get the exhaust replaced from the engine back. Jump up to 2 1/2" tubing with a high flow cat and muffler and see the difference it will make.

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Old 08-13-2007, 07:46 PM   #3
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I plan on re-doing the whole thing but I am very new to jeeps and I don't know what components will work the best for a jeep or last the longest. I will upgrade to 2.5" tubes all the way down. It is an L6 by the way.
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Old 08-13-2007, 08:14 PM   #4
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Look at the manifolds on ebay. Header will create a little more heat under the hood, and it gets hot enuf there already. For the difference in the price, it may save you enuf for the rest of the system. read this thread.
http://www.wranglerforum.com/tj-chat...ent-10429.html
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Old 08-14-2007, 11:19 AM   #5
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Putting the header and high flow exhaust in my Jeep made a huge difference. Definately a noticable increase in power. By the way, I have a spare Catco high flow catylatic converter still in the box. It has 2.5" openings.
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Old 08-14-2007, 12:31 PM   #6
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I've been considering doing a full exhaust on mine for awhile, In my researching, I came across "pacesetter" on ebay, they have everything from headers to the exhaust tip for wrangler, I think it was going to cost around $500 or $600 in total for me to put them on myself
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Old 08-14-2007, 03:31 PM   #7
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Putting the header and high flow exhaust in my Jeep made a huge difference. Definately a noticable increase in power. By the way, I have a spare Catco high flow catylatic converter still in the box. It has 2.5" openings.
Did you have any clearance issues with the header hitting your steering rod? I think my current header is a Hooker and the last owner filed away a little of the steering rod to add a little space. I don't think thats too safe and will probably replace the rod but I don't want to have the same issue with another header.

I may be interested in that cat if you still have it in a couple of weeks.
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Old 08-15-2007, 11:13 AM   #8
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I had no clearance problems whatsoever. It was a bit of a pain to install, but everything cleared nice. There are ball and socket type connectors where it passes under the engine that were a real bear. It's been on for about five years now with no problems. Let me know about the cat...it's just collecting dust.
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Old 08-15-2007, 03:26 PM   #9
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cool man, thanks!

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