what headers should I get vq30dek
what headers should I get vq30dek
wassup guys I have a 2000 maxima 5 speed the production date was February 2000 , I want to know if this car has the egr on the rear headers because I keep reading on the org that it does and doesn't , I think it does and I'm looking at some headers on ebay but I want to know what u guys think I don't want the obx because it looks like trouble with all those extra O2 sensor holes . reason why I'm changing us because I droped in a dip on the road and cracked my precat in the front. any feedback helps thank you .
these are the ones I'm looking at http://m.ebay.com/itm/181361475426?nav=SEARCH
wish all you guys a thanks giving
these are the ones I'm looking at http://m.ebay.com/itm/181361475426?nav=SEARCH
wish all you guys a thanks giving
can anyone help me and give me any input on the obx headers on ebay
http://r.ebay.com/YIgnx9
shud I get these ? do I need to extend the O2 sensor which is my biggest fear or does everything fit as ease please help me
Last edited by NmexMAX; Dec 3, 2014 at 02:04 PM.
No I bought some of his last batch stuff last year
- You need OBX V2
- Use a O2 simulator for the rear O2 sensors. Guide
I had to buy a EGR bung for the 02 Maxima, it went into a hole on the header closet to the firewall (back one)
Worst case scenario. see what CEL pop up after the work is done.
- You need OBX V2
- Use a O2 simulator for the rear O2 sensors. Guide
I had to buy a EGR bung for the 02 Maxima, it went into a hole on the header closet to the firewall (back one)
Worst case scenario. see what CEL pop up after the work is done.
Last edited by george__; Nov 27, 2014 at 06:03 PM.
No I bought some of his last batch stuff last year
- You need OBX V2
- Use a O2 simulator for the rear O2 sensors. Guide
I had to buy a EGR bung for the 02 Maxima, it went into a hole on the header closet to the firewall (back one)
Worst case scenario. see what CEL pop up after the work is done.
- You need OBX V2
- Use a O2 simulator for the rear O2 sensors. Guide
I had to buy a EGR bung for the 02 Maxima, it went into a hole on the header closet to the firewall (back one)
Worst case scenario. see what CEL pop up after the work is done.
OBX headers v2
They prevent the CEL coming on for the rear o2 sensors and you don't need rear o2 sensors for car to be in working order. The front O2 sensors should be plug and play and they are very important.
I used these
They prevent the CEL coming on for the rear o2 sensors and you don't need rear o2 sensors for car to be in working order. The front O2 sensors should be plug and play and they are very important.
I used these
Last edited by george__; Nov 27, 2014 at 06:18 PM.
OBX headers v2
They prevent the CEL coming on for the rear o2 sensors and you don't need rear o2 sensors for car to be in working order. The front O2 sensors should be plug and play and they are very important.
I used these
They prevent the CEL coming on for the rear o2 sensors and you don't need rear o2 sensors for car to be in working order. The front O2 sensors should be plug and play and they are very important.
I used these
where can I find the v2 ?
Main reason for buying the v2 is that it has better fitment and costs the same price as the v1. So no point buying the inferior product
Last edited by george__; Nov 27, 2014 at 06:56 PM.
^^
1. First rule of Maxima.org = DON'T listen to_george.
2. OBX V2 are NOT better! Yes they will work on the vq30dek but those are inferior design due to the 02-03 layout and both pre-cats seperated from Ypipe. Case in point:

OBX V2 for 02-03 Maxima here
vs

OBX SS 95-01 Maxima
See how the 95-01 Headers don't have that loop on the rear? Much better and stronger flow. Fitment wise, wont be much difference because ALL OBX headers will require a bit of work to fit properly, they all have a design flaw.
Finding these is not really a problem, I've seen em out there. Only thing is many places have them for high $$$ (like 300 bucks) these days.
Besides that, February 2000 production date is very likely not to have EGR. My 2k doesn't have EGR, but mine is October 2000 production, it's basically an 01.
You can check for EGR, just look under throttle body for it's presence.
1. First rule of Maxima.org = DON'T listen to_george.
2. OBX V2 are NOT better! Yes they will work on the vq30dek but those are inferior design due to the 02-03 layout and both pre-cats seperated from Ypipe. Case in point:
OBX V2 for 02-03 Maxima here
vs
OBX SS 95-01 Maxima
See how the 95-01 Headers don't have that loop on the rear? Much better and stronger flow. Fitment wise, wont be much difference because ALL OBX headers will require a bit of work to fit properly, they all have a design flaw.
Finding these is not really a problem, I've seen em out there. Only thing is many places have them for high $$$ (like 300 bucks) these days.
Besides that, February 2000 production date is very likely not to have EGR. My 2k doesn't have EGR, but mine is October 2000 production, it's basically an 01.
You can check for EGR, just look under throttle body for it's presence.
^^

https://maxima.org/forums/4th-genera...s-02-03-a.html
https://maxima.org/forums/5th-genera...t-headers.html
https://maxima.org/forums/5th-genera...all-today.html
https://maxima.org/forums/5th-genera...sp-rasspp.html
https://maxima.org/forums/5th-genera...ipe-3-5-a.html
https://maxima.org/forums/5th-genera...x-headers.html

Ive been doing a bit of reading on OBX because the mod bug just doesnt go away. It seems the 3.0 headers (V1) have major issues and are not worth the hassle, while the 3.5 headers (V2) are basically spot on, aside from having to grind down the crossmember below the engine bay. They are interchangable between 3.0 and 3.5 engines, although the V2 headers lack an EGR bung. I think the V2 headers also have "extra" O2 bungs that are for 3.5s - correct me if im wrong but arnt these extra bungs used on a cali specc 3.0?
Last edited by george__; Nov 28, 2014 at 07:32 AM.
^ Damn u actually did some research george.
Well then you should know...
- V1 vs V2 make same power
- Unequal vs Equal Ypipe sound is subjective, IMO the unequal pipe sounds more violent and mean and I like it better than equal ypipe.
- V1 has egr bung, V2 doesnt. In case OP needs it.
- V1 fitment issues are mostly in front whereas V2 will be front and especially back near firewall and the flex section.
- many people with V2 seemed to need new rear o2 bung because the one it came with was in bad spot.
And finally, make sure to get new oem gaskets regardless of which header u go with. Obx gaskets that come with all the headers will be garbage.
Well then you should know...
- V1 vs V2 make same power
- Unequal vs Equal Ypipe sound is subjective, IMO the unequal pipe sounds more violent and mean and I like it better than equal ypipe.
- V1 has egr bung, V2 doesnt. In case OP needs it.
- V1 fitment issues are mostly in front whereas V2 will be front and especially back near firewall and the flex section.
- many people with V2 seemed to need new rear o2 bung because the one it came with was in bad spot.
And finally, make sure to get new oem gaskets regardless of which header u go with. Obx gaskets that come with all the headers will be garbage.
It's a bung, shop can do it..
Use a O2 simulator
Use a O2 simulator
Last edited by george__; Nov 28, 2014 at 07:58 AM.
^ Damn u actually did some research george.
Well then you should know...
- V1 vs V2 make same power
- Unequal vs Equal Ypipe sound is subjective, IMO the unequal pipe sounds more violent and mean and I like it better than equal ypipe.
- V1 has egr bung, V2 doesnt. In case OP needs it.
- V1 fitment issues are mostly in front whereas V2 will be front and especially back near firewall and the flex section.
- many people with V2 seemed to need new rear o2 bung because the one it came with was in bad spot.
And finally, make sure to get new oem gaskets regardless of which header u go with. Obx gaskets that come with all the headers will be garbage.
Well then you should know...
- V1 vs V2 make same power
- Unequal vs Equal Ypipe sound is subjective, IMO the unequal pipe sounds more violent and mean and I like it better than equal ypipe.
- V1 has egr bung, V2 doesnt. In case OP needs it.
- V1 fitment issues are mostly in front whereas V2 will be front and especially back near firewall and the flex section.
- many people with V2 seemed to need new rear o2 bung because the one it came with was in bad spot.
And finally, make sure to get new oem gaskets regardless of which header u go with. Obx gaskets that come with all the headers will be garbage.

D.stillwell what should i do v1 ? i need your opnion cause we both have 3.0 sadly im at work cant get to the car to see if i have egr because its at home
Good luck i had issues with both. I have a 3.5 and the front o2 rad side bung wrong location,rear wrong location rear hit the motor mount,Y pipe wouldnt line up.v2 same issues as above with additional notching of rear mount,notching of the cross member,cheap flex sections, Y pipe flange alignment off by 1/2" after 8 hours trying to install they were violently smashed on the ground.
Good luck i had issues with both. I have a 3.5 and the front o2 rad side bung wrong location,rear wrong location rear hit the motor mount,Y pipe wouldnt line up.v2 same issues as above with additional notching of rear mount,notching of the cross member,cheap flex sections, Y pipe flange alignment off by 1/2" after 8 hours trying to install they were violently smashed on the ground.
OP the choice is yours, both V1 and V2 will have issues. V1 may be easier for you in case you do have egr. (Of course shop can make bung george, but all that adds up to extra labor $$)..
I can suggest another option, which is the route I took. Get a Ypipe which will eliminate the rear cat altogether and the front cat is not a known issue on 3.0's but you can always gut it. This will make slightly less power than headers but also be way less loud and without hassle or fitment issues.
Only issue is finding a Ypipe these days. But keep looking in classifieds and one will pop up for a good price. Maybe you can even get a used Cattman if one comes around.
I'd just get a y-pipe and pass on the headers. Unless you're going for ***** to the wall performance, I'd let the extra horsepower go. Installation of a y-pipe is a breeze too.
Warpspeed is a good inexpensive option that works.....The 95 thru 01 OBX is again the next best thing... "New" Headers!!!! So far No One can replace Cattman's piece of functional art...
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