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Old 12-03-2003, 12:36 PM
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acmw
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Default ? about headers

Hey i wanna buy some headers but i dont know which one to get? can some one help me and tell me which one gets he most hp?
Old 12-03-2003, 12:46 PM
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VandyZ
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See Sig!

Depends on a few things. Lets drop the HP restriction (we dont want to start that argument).

Price, w/ or w/o cats, long or short tube, tube pattern, fit, etc

Nismo, Borla, Xerd, *cough* Crawford *cough*
Old 12-03-2003, 12:52 PM
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I had NISMO headers installed... no change in sound and gained midrange torque. Installers had no problems with fitment.

As for gains... they are all gonna be close. I doubt any one brand makes a considerable amount more than the others.

PeteH
Old 12-03-2003, 12:54 PM
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acmw
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are the borlas the same length?
Old 12-03-2003, 12:58 PM
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350zSpeedRacer
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If you don't have to worry about passing a visual inspection, the XERDs are the only long tubes available, right now. (They're also what I went with--I'll post impressions when I get them on.)
Old 12-03-2003, 01:00 PM
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VandyZ
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Originally posted by acmw
are the borlas the same length?
No. The only ones that I know of that are equal length are ours and Nismo.

If we did not make our own, I would only consider the Nismo. But even if ours were not ours I would pick them over Nismo. Biased I know, but I also am fact driven.
Old 12-03-2003, 01:00 PM
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well i might go with the borla, are they good or bad?


Thx for the help girls and guys
Old 12-03-2003, 01:05 PM
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MY350Z.COM
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Originally posted by Audito350Z
As for gains... they are all gonna be close. I doubt any one brand makes a considerable amount more than the others.
David Borla himself says that his own headers don't gain much, and people only dyno 1-2hp with it on whereas NISMO and Crawfords are getting significantly more power (over 10rwhp)
Old 12-03-2003, 01:09 PM
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I saw more then 1-2 hp from my Borla lol, but saw mostly torque from them.
Old 12-03-2003, 01:10 PM
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Originally posted by acmw
well i might go with the borla, are they good or bad?


Thx for the help girls and guys

*dancing around the topic*

If you are going to have to pay the labor on header installation, you may want to choose another brand.

(How P.C. was that?)

Last edited by VandyZ; 12-03-2003 at 01:25 PM.
Old 12-03-2003, 01:15 PM
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No headers are going to give you nearly as much gain as they are capable of unless you replace the stock cats with High Flow Catalytic Converters $500 . We are running a special on the NISMO Headers for $1089.99 .

Let me know if you have any other questions.
Old 12-03-2003, 01:17 PM
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Originally posted by acmw
well i might go with the borla, are they good or bad?


Thx for the help girls and guys
I wouldn't waste the money and installation time to put the Borla headers in. More people have had problems then not, especially with bolt alignment. Also, why spend that much money on something that gives very little if any gains. The XERD headers are reasonably priced if you don't mind eliminating the Cats and produce good peak/top end numbers. The Crawford and Nismo designs are best for most street applications because you can still use High Flow Cats and they will give you good low/mid/upper range results. Some of the first Nismo sets had rubbing issues with the steering linkage so be careful if buying off Ebay or used. I personally went with the Crawfords because I feel their design is the best available.
Old 12-03-2003, 01:52 PM
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Originally posted by Mike Wazowski
David Borla himself says that his own headers don't gain much, and people only dyno 1-2hp with it on whereas NISMO and Crawfords are getting significantly more power (over 10rwhp)
I'd like to see those dynos of just headers putting that much to the wheels. Any Links?
Old 12-03-2003, 02:53 PM
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FLY BY Z
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XERD. Like SpeedRacer, I also am going with these. If you need cats, which these remove as they are long tubes, you can get some high flows almost anywhere. In fact, there is an exhaust shop near me that makes some nice ones. I will put those in with the XERDs.
Old 12-03-2003, 03:10 PM
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Originally posted by Jason@Performance
No headers are going to give you nearly as much gain as they are capable of unless you replace the stock cats with High Flow Catalytic Converters $500 . We are running a special on the NISMO Headers for $1089.99 .

Let me know if you have any other questions.
Jason. Got a question. I plan on adding the Nismo headers to my Z. But I am little worried about the header touching the steering column. Has that been fixed by Nismo. And is there a visual way I can check the headers to see. I heard from a Nissan parts person that the 1st batch of headers have been replaced with a new batch and that the new ones have a black dot on the the headers. True or False.
Old 12-03-2003, 03:26 PM
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might want to ask jeff@performance or jason@performance
Old 12-03-2003, 03:28 PM
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Originally posted by Mike Wazowski
might want to ask jeff@performance or jason@performance
he is, no?
Old 12-03-2003, 04:39 PM
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Nissan recalled all the old boxes of headers. If the dealers did their job and sent them back it shouldn't be an issue. All of mine in stock have been replaced and the fit difference is huge. Mine still rub a bit on very hard right turns but they are the old batch. You won't have any worry's with the Nismo's now. As far as the dot goes...... this is the first I've heard of that. I will open a box tomorrow and find out. Jeff
Old 12-03-2003, 05:17 PM
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Originally posted by zzzya
I wouldn't waste the money and installation time to put the Borla headers in. More people have had problems then not, especially with bolt alignment. Also, why spend that much money on something that gives very little if any gains. The XERD headers are reasonably priced if you don't mind eliminating the Cats and produce good peak/top end numbers. The Crawford and Nismo designs are best for most street applications because you can still use High Flow Cats and they will give you good low/mid/upper range results. Some of the first Nismo sets had rubbing issues with the steering linkage so be careful if buying off Ebay or used. I personally went with the Crawfords because I feel their design is the best available.
I just got the borlas installed, the sound is sweet expecially after 3K RPM, it does add power, i can feel it. i will dyno it next week
to see how much power gained. I also got the crawford cats

The install was 10 hours, but fitted nicely, no bolt alignment problem
Old 12-03-2003, 07:16 PM
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yeah what jeff said


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