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Topic Review (Newest First)
10-25-2006 09:48 PM
smitty I didn't know about the recall or replacement problems before now. I had a 89 wrangler, and it had a cracked manifold, but after about 175,000 miles.
My current jeep also got a cracked manifold which is why I originally replaced it with the banks header. After all these years I'm getting sick and tired of exhaust leaks. I did notice a difference in power with the header,
10-25-2006 01:28 PM
amerijeep It was an issue for a long time. It only took them almost a decade to fix it.
10-25-2006 01:18 PM
mrbigjeep yeah the reason i said 97-99 is because i was referring to TJ's only...and the TJ's started in 97
10-25-2006 12:52 PM
amerijeep That's right, Jack. I thought that would be understood since I have a 94. Thanks for clarifying though.

I just replaced mine with the newer version when it cracked.
10-25-2006 12:43 PM
1BLKJP
Quote:
Originally Posted by bigjeep
they fixed it in 2000 which i assume you know as you stated that they did do an upgraded version...97-99 did have problems though
Actually it was the 91-99 4.0 manifold that was bad. There have been numerous lawsuits etc about it. That's one of the reasons that DC added the manifold to the emissions warranty. It let a lot of people replace theirs under warranty.

The 4 cylinders had some issues too in that time frame. But you are correct, in 2000 they redesigned it to have the 2 expansion ports on the outer most tubes to prevent the cracking at the collector.

Smitty I have heard good things about the Thorley products, however I still don't think they cost/benefit ratio is right.
10-24-2006 10:14 PM
amerijeep Right. Thanks for helping.

I guess that makes sense.I replaced mine probably in 01...
10-24-2006 10:13 PM
mrbigjeep they fixed it in 2000 which i assume you know as you stated that they did do an upgraded version...97-99 did have problems though
10-24-2006 10:09 PM
amerijeep
Quote:
Originally Posted by whiteyj
If you look at how many of us are still running the STOCK JEEP HEADER, you might catch a clue!

Do you want a reliable trail proven set-up? Then you can't beat what came off the assembly line!

I've been trying to figure out if you are joking. The stock header on the 4.0 is notorious for cracking. I had to replace mine a few years ago with the upgraded version that came out in 01 or 02.
10-24-2006 09:58 PM
whiteyj If you look at how many of us are still running the STOCK JEEP HEADER, you might catch a clue!

Do you want a reliable trail proven set-up? Then you can't beat what came off the assembly line!
10-24-2006 09:28 PM
smitty thanks for all of your replys, I was in phoenix this past weekend so I didn't get a chance to read responses until today.
I now know not to even try a borla header.
I hate to give up on a 400. header, the hot rodder in me can't cope with running a stock exhaust. has anyone had any experience with doug thorley headers, they are a top quality header, or gibson.
10-21-2006 09:47 AM
4Jeepn Several folks seem to have good luck with one from these folks:
http://www.carpartstoyourdoor.com/
10-20-2006 10:20 PM
Buster Borla isn't much better than Banks. I replaced the cracked manifold on my 99TJ with a Borla, and it lasted just over 1 year. The 2nd one has lasted over a year ....so far (insert smiley with crossed fingers here)!
10-20-2006 07:36 AM
jeeperman Headers are notorious for cracking on the I-6. The lifetime warranty helps, but you may want to sell your new header and go back to the stock manifold, or a company that makes a reinforced manifold to avoid cracking in the future. Unfortunately, Banks is one of the worst for cracking, they are relatively new to the Jeep market and haven't figured out how to keep the headers from cracking yet...
10-19-2006 10:33 PM
scumby i talked to a couple of people who said there banks didn't make a noticable differance. may not be the answer you are looking for but i took the cheap way out. http://cgi.ebay.com/ebaymotors/ws/eB..._promot_widget

has a lifetime warranty and is stainless steel.
10-19-2006 07:01 PM
Mudweiser I dunno if its the headers or what in this case. My buddy has a Borla Header on his 4.0. His is a 97 wrangler sport and after his stock manifold cracked he replaced it with a Borla header. The Borla cracked at the middle joint and he called to have it replaced. The deal is they make you outright buy a new one for 400+ dollars and then you ship them your old one. After they receive and approve it was a defect they reimburse the money to you. That was about a year ago and already this new Borla replacement is cracked in the same spot. Think this time instead of dishing out more cash and headache we are going to try to weld it up. Seems like an expensive product for the manufacturers not to back them up better then that.
10-19-2006 06:40 PM
97REDTJ Im in the same boat smitty i have a banks header and that thing is cracked in 3 different spots!
10-19-2006 03:48 PM
bmxstreet15
Quote:
Originally Posted by smitty
New to this site, figured you guys could help me out.
I have a Banks header on my 99 4L sport. I have already replaced it 2 times in the last 3 years and it needs to be replaced again, it keeps cracking. anyone have experience with Banks customer service, I sent them a couple of e-mails but they haven't gotten back to me.
I purchased it originaly at 4 wheel parts where they offered to replace it with a Borla header.
I need some feed back as to which header is the better product, or if there is a better header out there.
thanks
smitty
Sounds to me like you have a binding problem in your exhaust system. I have never dealt with banks before so you are own your own there.
10-18-2006 10:59 PM
smitty
3X Cracked Header

New to this site, figured you guys could help me out.
I have a Banks header on my 99 4L sport. I have already replaced it 2 times in the last 3 years and it needs to be replaced again, it keeps cracking. anyone have experience with Banks customer service, I sent them a couple of e-mails but they haven't gotten back to me.
I purchased it originaly at 4 wheel parts where they offered to replace it with a Borla header.
I need some feed back as to which header is the better product, or if there is a better header out there.
thanks
smitty

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