DT Headers on '03 S/C - DONE - Page 10 - Nissan Xterra Forum
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#91 Old 05-26-2012, 12:41 PM
Swamp-Man
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I am planning on purchasing the DT headers since my manifolds have the little cracks going on....

I don't have an appropriate space to do work for this installation so I will have to get a muffler shop to do it for me. What sort of hours are we looking at for labor? My X is at stock height so I would like to hear from the other fellow X guys if it really will cause that much of an increase in labor hours.

I appreciate all the great info on this forum!!

2002 Xterra SE - Supercharged - Automatic - 4WD

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#92 Old 05-27-2012, 08:28 AM
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http://www.clubxterra.org/forums/sho...d.php?p=493094

Something I wrote on a similar thread.
Do your research on a good shop because it's going to be a lot of man hours and a complicated job!

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#93 Old 05-29-2012, 08:48 PM
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Sorry for the delayed response. It's hard for me to say if the headers alone are worth it, but I am sure they are. I did the headers and the s/c pulley & nismo cat back at the same time, so the gains were huge. Oh, and there is no MPG gain....i would bet a loss, but the s/c drinks gas either way.
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#94 Old 12-31-2012, 11:56 AM
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I've just finished with my header install, and yes without the 2" body lift, it was much longer of a job than I anticipated. I had to cut on the drivers side to get the O2 sensor to fit against the body, and drop the front drive shaft to get the old header out. Plus my EGR tube was frozen stuck, and I ended up having to cut the header around it to get it out. ON the passenger side, my aft O2 sensor was so stuck i couldn't get it out before pulling the down pipe. in order to do that, i had to move the transmission cross member, jack up the transmission to hold it up, and then get the cat/down tube out.

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#95 Old 12-31-2012, 08:29 PM
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I wish I could run headers in California, but the smog check stations won't pass them (or it's not worth the hassle). What mufflers do you have on that? I really like my flowmaster setup.

When Hell Freezes Over, I'll Ski There Too!!
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#96 Old 02-07-2013, 07:48 PM
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do you get a benefit from the catback by itself or do you need to do headers as well on the SC models? i have an '04 and was thinking about installing one. from the sounds of it (pun intended) it would not be the nismo lol.
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#97 Old 02-14-2013, 10:46 AM
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Quote:
Originally Posted by fatkid_UH-60 View Post
I had to cut on the drivers side to get the O2 sensor to fit against the body, and drop the front drive shaft to get the old header out.
Dude, I had my guy put these in for me. He put the CEL on the front o2 sensors instead of the rear cause he assumed that because the driverside o2 sensor wouldnt fit that the CEL were just extensions. Cut you show me and tell me where and how you CUT to get the o2 sensor in the driver side? I also have no BL. That way, he can get the front o2 sensors in without any CEL and put the CEL on the rear.

My SES light keeps popping on and off and I have a bad lag.
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#98 Old 10-18-2013, 02:57 PM
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So the part of TN I live in has no smog check/emissions what so ever. They tried a few years ago and it got voted down by a huge margin. Anyways exhaust is something I'm looking to do first. I had a 2500 Dodge Ram when I was 16 and I ran dual pipes with a two 40 series flowmasters. However, I have been reading a lot on here and it looks like there is some tricks on eliminating the cats. I see where you can get the plug for the first one, but is there a trick to the second one?
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#99 Old 10-19-2013, 12:43 PM
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Don't worry about the second ones. the o2 sensors aren't monitored.

Sent from my DROID RAZR
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#100 Old 10-21-2013, 08:10 PM
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I had mine installed 2 weeks ago and so far love them, i feel good getting rid of them heavy, power robbing stock manifolds with the cats. I still need to have a bigger y pipe made with high flow metallic cats put on to get full potential of the thorleys. Did you notice more vibration and valve tick inside the cab? I eliminated a leak because I stuck my head inside each wheel well and under the hood and heard nothing. Thanks.

04 frontier kc xe 4x4 v6
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