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Old 11-23-2012, 12:15 PM
  #821  
G.Mello
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Originally Posted by 512_Z
ok guys these headers are well worth the money, this video will show a dyno pull of my car.. the white ricer looking 350z is my buddy's car and he right now has my OEM Hr headers he will installing the PPE next wedek.

MY car is the blue 350z and the last car to dyno.

https://vimeo.com/53395153

512

hope this helps you guys order these awesome headers..
512_z, you said you had to upgrade injectors, how much of a restriction were the stock ones?
Old 11-24-2012, 04:11 AM
  #822  
Mirko350z
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I have a long tube headers, but I must extended the A/F (drive and passenger) sensor to install. What type of A/F sensor extension can I buy?
Old 11-24-2012, 06:41 AM
  #823  
Old Rice
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Bosch makes one in 4'

http://forums.holley.com/showthread....ension-Harness
Old 11-24-2012, 07:11 AM
  #824  
Fixxxercask
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Sub'd for more DE dynos. I've read through this entire thread just now and I am still not 100% clear on what the benefits/advantages are over stepped/non and reducer/no reducer. I have a non-revup, that is a track car only. A road racing track car; not drag. So anything under 4k RPM's means nothing to me.

I would be looking to make mostly top end power and mid/high end torque.

Would I go with non-stepped with reducer? I have MD XYZ pipe and 3" single shockwave.

Thanks
Old 11-24-2012, 07:29 AM
  #825  
Mirko350z
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Originally Posted by Old Rice
Is not the same connector that I have in my pre cat sensor. The connector have 6 pin like this: http://www.autopartsnetwork.com/cata...r_make:Nissan_
I need a female - male cable to extend this sensor.

Excuse for my language, but I'm from Italy
Old 11-25-2012, 08:42 PM
  #826  
Massios
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Just installed mine over the Thanksgiving break. Loving em so far.

They're dumping into the stock y pipe flanges (kept them in my custon 2.25in exhaust) no doubt its raspier than it should be. Ordered a 2.5in muffled x pipe to replace my current one. Trying to anticipate if I'll need some down stream resonators.

Once I get my exhaust straightened out I'll be getting dyno tuned @ Z1. My before from Z Nationals was 231/224.
Old 11-27-2012, 11:34 AM
  #827  
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Anyone want a set? I have a set for the 06 DE Revup that are Non Stepped, Coated, and don't have a reducer. I'm never going to get around to installing these...
Old 11-28-2012, 09:48 AM
  #828  
hydeciel
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Could someone do a sound test with their exhausts and see if the decibels ever increase past 94db from 50 feet or so away? SCCA and some tracks restrict the noise levels to that. I really want these, but need to be sure before I buy! That is the reason I didn't originally sign up for the inital run.
Thanks!
Old 11-30-2012, 08:35 PM
  #829  
Phillip Stone
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Originally Posted by TheSyn3rgist
Anyone want a set? I have a set for the 06 DE Revup that are Non Stepped, Coated, and don't have a reducer. I'm never going to get around to installing these...
How much ? Pm me
Old 11-30-2012, 08:40 PM
  #830  
Frostydc4
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Originally Posted by hydeciel
Could someone do a sound test with their exhausts and see if the decibels ever increase past 94db from 50 feet or so away? SCCA and some tracks restrict the noise levels to that. I really want these, but need to be sure before I buy! That is the reason I didn't originally sign up for the inital run.
Thanks!
It depends on your setup. If you have the oem cats or hfc its definitely going to be louder.
Old 12-16-2012, 03:40 AM
  #831  
2004Black350z
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What's the overall consensus of these on DE again? Terras?

Also what y pipe are you guys getting to match up good?
Old 12-16-2012, 08:20 AM
  #832  
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^ To second that, has anyone retuned and dynoed vs hfc/test pipe by comparison of gains? overall and delta?
Old 12-16-2012, 08:25 AM
  #833  
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I wish I could do that comparison but I'm afraid of negative results.
Old 12-16-2012, 09:22 AM
  #834  
mw9
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Originally Posted by Fixxxercask
Sub'd for more DE dynos. I've read through this entire thread just now and I am still not 100% clear on what the benefits/advantages are over stepped/non and reducer/no reducer. I have a non-revup, that is a track car only. A road racing track car; not drag. So anything under 4k RPM's means nothing to me.

I would be looking to make mostly top end power and mid/high end torque.

Would I go with non-stepped with reducer? I have MD XYZ pipe and 3" single shockwave.

Thanks

Same car as above, pretty sure we should have stepped
Old 12-16-2012, 07:25 PM
  #835  
terrasmak
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Originally Posted by 2004Black350z
What's the overall consensus of these on DE again? Terras?

Also what y pipe are you guys getting to match up good?
Feels good, no dyno yet. Finally got my wideband up and running, I am running lean and need some tuning work.
Old 12-16-2012, 07:55 PM
  #836  
03threefiftyz
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Originally Posted by hydeciel
Could someone do a sound test with their exhausts and see if the decibels ever increase past 94db from 50 feet or so away? SCCA and some tracks restrict the noise levels to that. I really want these, but need to be sure before I buy! That is the reason I didn't originally sign up for the inital run.
Thanks!
Unless you run Lime Rock, your closest db restraint will be 99db at 50'. Last time I checked as long as you didn't go over 106 summit and VIR is about the same. That said, my car with Tomei shorties, test pipes, and nismo style exhaust consistently blows 97-99db (depending on weather) at 50' during national events.
Old 12-17-2012, 06:45 AM
  #837  
Fixxxercask
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Originally Posted by mw9
Same car as above, pretty sure we should have stepped
Thanks man! We will get these soon enough
Old 12-23-2012, 03:23 PM
  #838  
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first drive impression....



video pending!
Old 12-23-2012, 03:53 PM
  #839  
2004Black350z
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WTF is taking you guys so long to get good vids

im about to shoot myself
Old 12-23-2012, 04:04 PM
  #840  
andre12031948
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I wish I knew what this thread was about


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