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OBX Headers and Y-Pipe

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Old 02-03-2008, 06:15 AM
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OBX Headers and Y-Pipe

Has anyone tried the OBX Altima headers and y-pipe?

They're listed on OBX's website and go for around $300 + shipping on eBay.

See below.

http://cgi.ebay.com/ebaymotors/OBX-S...spagenameZWDVW
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Old 02-03-2008, 07:26 AM
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Curious as to what people have to say. Ive had some obx stuff before and didnt think it was bad. Otrher people because it was OBX and from ebay will disagree.
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Old 02-03-2008, 08:39 AM
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I remember one guy trying the headers and saying that it was a head-ache to install...mucho work that shouldn't have been needed.
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Old 02-03-2008, 09:07 AM
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I would just wait for cattman. If the headers are going to be anything like the y-pipe he came out with, it'll be worth it.

Last edited by shawndon; 02-03-2008 at 12:31 PM.
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Old 02-03-2008, 09:47 AM
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I vote Cattman, IMO with OBX, you get what you pay for. Any money you think you'll be saving will go right back into the cost to install them, and soon remove them...
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Old 02-03-2008, 12:45 PM
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Originally Posted by chernmax
I vote Cattman, IMO with OBX, you get what you pay for. Any money you think you'll be saving will go right back into the cost to install them, and soon remove them...
yup true that
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Old 02-03-2008, 01:07 PM
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as i understand it, brians still has to figure out the cel troubles with his headers. gotta wait for him to chime in, but im waiting too for the final install on his exhaust system
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Old 02-03-2008, 03:05 PM
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Explain,

Originally Posted by 07 Graymax
figure out the cel troubles
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Old 02-03-2008, 03:11 PM
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Hotshot headers made a CEL go on in our car, and Brian still has to figure something out to "get rid of that."

That's pretty much what he told me.
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Old 02-03-2008, 03:18 PM
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What was the code?
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Old 02-03-2008, 03:59 PM
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since cattman does not have 6mt headers i picked a set of these up to replace my stuff after my precat failed. the shop that did the install said it took 6-7 hours and was way way way easier than the same headers on an altima.

they had to modify the y pipe slightly but it all fits up pretty daum well. i only drove it with a blown headgasket, i couldnt resist seeing what it had; it SCREAMS with the headers and a fvvcked up motor lined up against my buddies basic bolt on 06 wrx and went from a 20 roll i put a solid 4 cars on him. cant wait to drive it with a fresh vq35 in it, and the other goodies im installing at the same time.


sounds like a ricer though, no cats, no resinator, stock mufflers :barf: going with a magnaflow setup and hopfully that will change it


i got them brand new for 220 off ebay
obx brand 3.5 6 speed altima headers with y pipe

http://video.google.com/videoplay?do...24547149067195

modded stock air box and resinatorless maxipad vs his modded stock airbox wrx, now he has a cai, dp/catback and a tune, something like 250whp 300ish tq and he got spanked, cant wait for the ssim/ims and a technosquare reflash. ill be eating sti's for breakfast


last run is the best we got in, and he knows as soon as i nail 4th gear im gone so he hit the brakes :0

cant wait till i can drive her again

Last edited by marshallc; 02-03-2008 at 04:04 PM.
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Old 02-03-2008, 07:48 PM
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Like the alti guys I'd take the headers with the code. From what they said they car ran fine even with the CEL.
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Old 02-03-2008, 08:49 PM
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Originally Posted by shawndon
Like the alti guys I'd take the headers with the code. From what they said they car ran fine even with the CEL.
That's a true statement, now if the CEL is flashing, thats a different story...
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Old 02-03-2008, 08:57 PM
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Originally Posted by NmexMAX
What was the code?
I read through several pages but didnt see a code posted. Some conclusion on thier part was placement of the o2 sensor possibly.
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Old 02-03-2008, 11:04 PM
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Originally Posted by marshallc
since cattman does not have 6mt headers i picked a set of these up to replace my stuff after my precat failed. the shop that did the install said it took 6-7 hours and was way way way easier than the same headers on an altima.

they had to modify the y pipe slightly but it all fits up pretty daum well. i only drove it with a blown headgasket, i couldnt resist seeing what it had; it SCREAMS with the headers and a fvvcked up motor lined up against my buddies basic bolt on 06 wrx and went from a 20 roll i put a solid 4 cars on him. cant wait to drive it with a fresh vq35 in it, and the other goodies im installing at the same time.


sounds like a ricer though, no cats, no resinator, stock mufflers :barf: going with a magnaflow setup and hopfully that will change it


i got them brand new for 220 off ebay
obx brand 3.5 6 speed altima headers with y pipe

http://video.google.com/videoplay?do...24547149067195

modded stock air box and resinatorless maxipad vs his modded stock airbox wrx, now he has a cai, dp/catback and a tune, something like 250whp 300ish tq and he got spanked, cant wait for the ssim/ims and a technosquare reflash. ill be eating sti's for breakfast


last run is the best we got in, and he knows as soon as i nail 4th gear im gone so he hit the brakes :0

cant wait till i can drive her again
ae you a 5AT or 6SPD?
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Old 02-04-2008, 12:14 AM
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Originally Posted by NiZMo1o1
ae you a 5AT or 6SPD?
6mt...
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Old 02-04-2008, 06:08 AM
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Originally Posted by chernmax
That's a true statement, now if the CEL is flashing, thats a different story...
Light just stays on. no flashing. Some of the Alti guys even put electrical tape over it lol.
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Old 02-04-2008, 06:34 AM
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Originally Posted by marshallc
since cattman does not have 6mt headers i picked a set of these up to replace my stuff after my precat failed. the shop that did the install said it took 6-7 hours and was way way way easier than the same headers on an altima.

they had to modify the y pipe slightly but it all fits up pretty daum well. i only drove it with a blown headgasket, i couldnt resist seeing what it had; it SCREAMS with the headers and a fvvcked up motor lined up against my buddies basic bolt on 06 wrx and went from a 20 roll i put a solid 4 cars on him. cant wait to drive it with a fresh vq35 in it, and the other goodies im installing at the same time.


sounds like a ricer though, no cats, no resinator, stock mufflers :barf: going with a magnaflow setup and hopfully that will change it


i got them brand new for 220 off ebay
obx brand 3.5 6 speed altima headers with y pipe

http://video.google.com/videoplay?do...24547149067195

modded stock air box and resinatorless maxipad vs his modded stock airbox wrx, now he has a cai, dp/catback and a tune, something like 250whp 300ish tq and he got spanked, cant wait for the ssim/ims and a technosquare reflash. ill be eating sti's for breakfast


last run is the best we got in, and he knows as soon as i nail 4th gear im gone so he hit the brakes :0

cant wait till i can drive her again

Did you end up with a CEL?
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Old 02-04-2008, 08:33 AM
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Originally Posted by Hilbe
Has anyone tried the OBX Altima headers and y-pipe?

They're listed on OBX's website and go for around $300 + shipping on eBay.

See below.

http://cgi.ebay.com/ebaymotors/OBX-S...spagenameZWDVW
I bought some ghetto headers off ebay for my 1st truck once and the flange holes were so poorly aligned with the head that it stripped several bolt holes and took forever to get on. The opposite side I opened up the holes with a die grinder and that helped a lot. Poor welds that took hours to grind smooth on the inside. We called them Two Brothers and a Welder, lol.

Those OBX headers look decently built and the welds look acceptable. Stainless too. Are you all sure the CEL is not from the lack of a cats, O2 sensor voltage not correct etc? I don't know about ya'll but you can't pass state inspection here with a check engine light on. Let alone no cats. If they hear an aftermarket muffler they do a visual check too.
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Old 02-04-2008, 10:31 AM
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Originally Posted by Hilbe
Did you end up with a CEL?
used the defouler trick so i dont get one for the cat, but yes i do get a cel for the egr because the shop fabbed a block off plate for it as the obx's dont have an egr port thing.
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Old 02-04-2008, 10:37 AM
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i installed obx headers on my 3L and they were a pain in the ***. one thing i really don't like is the the ypipe section is only 2". i'm going to have the ypipe re done and also nothing lined up right on my car. we had the open the holes for the studs and they were just a pain in the a$$
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Old 02-04-2008, 11:57 AM
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seems to be hit or miss quality
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Old 02-04-2008, 03:10 PM
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buy a spacer that screws into you 02 hole you can pick one up at autozone for like 4 bucks reen the center of the spacer out so you 02 senser fits in and screw it back into you 02 housing on exhaust I did it on my spec v and the code cleared and stayed shut off
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Old 02-04-2008, 03:50 PM
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First the code must be stated, then, it can be taken from there in order to take steps to eliminate the code.

This is what I've been trying to get across, but it doesn't seem to be working.
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Old 02-04-2008, 04:13 PM
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Originally Posted by chernmax
That's a true statement, now if the CEL is flashing, thats a different story...
I allways ment to ask, with your SE-R Headers, before you got the turbo on, did you get a CEL?

You went from 3 cats to 1 and the two o2 sensors were at the back of that cat. Did that give you a CEL? Reason I ask is because I have a set of HOT SHOT SE-R headers in my garage but the cat is damaged so Ill have to weld a new cat in place before I install them. However I wont install them if they give me a CEL.

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Old 02-04-2008, 09:15 PM
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Originally Posted by NmexMAX
First the code must be stated, then, it can be taken from there in order to take steps to eliminate the code.

This is what I've been trying to get across, but it doesn't seem to be working.

IIRC the code something about the O2 sensors being out of range. Too lazy to search nissanclub.
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Old 02-05-2008, 09:04 AM
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Originally Posted by shawndon
IIRC the code something about the O2 sensors being out of range. Too lazy to search nissanclub.
If that's the case, then a relocation should be on order.
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Old 02-05-2008, 09:24 AM
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Originally Posted by shawndon
IIRC the code something about the O2 sensors being out of range. Too lazy to search nissanclub.
Are you guys running o2 simulators with ur headers maybe thats ur problem
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Old 02-05-2008, 09:33 AM
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Originally Posted by NmexMAX
If that's the case, then a relocation should be on order.
Chernmax did that and didnt get a CEL. I think most of those Alti guys were running the Hotshot headers without the high flow cat on the y-pipe (Not a 100% sure). I think if you run the catted y-pipe I think it may solve the problem because the O2 sensors are located after the cat.

Originally Posted by SuperStasiu
Are you guys running o2 simulators with ur headers maybe thats ur problem
Some of the 05+ Alti guys were running O2 sims but still got a CEL.
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Old 02-05-2008, 09:42 AM
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why buy it on ebay when you can get it retail for a little bit more?

http://www.youtube.com/watch?v=aSNgPFINcI4
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Old 02-06-2008, 08:14 PM
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i have cheapo headers too and havent had a problem with them yet. except when i bottomed out and cracked it lol. but thats welded alrdy and its fine.
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Old 02-06-2008, 08:35 PM
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Originally Posted by Look-at-my-MAX
i have cheapo headers too and havent had a problem with them yet.
But they were a horses *** to install, correct?
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Old 02-06-2008, 08:53 PM
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if a person decides to to install headers with a y-pipe is a "tune" required ASAP for AFR reasons or if no tune a guy just wont get the full potential?
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Old 02-06-2008, 10:03 PM
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run rich. stock mufflers and no resinator on mine, no cats at all either and it sounds like a fricken tin can ricer, i hate it but when you roll off the gas it pops and crackles like an srt4 which makes me beleive its running pig rich

id recomend a tune to get the most out of them but i wouldnt say its needed
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Old 02-07-2008, 06:29 AM
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Originally Posted by marshallc
id recomend a tune to get the most out of them but i wouldnt say its needed
. . .
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