Intake & Exhaust Questions and info regarding various aftermatket exhaust systems for the G35 (Headers,Y-Pipes, and Cat-Back Systems)

ECU upgrade must need for XERD headers?

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Old Feb 16, 2004 | 12:11 AM
  #1  
acerys's Avatar
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ECU upgrade must need for XERD headers?

The Xerd headers eliminate cats and get problem of backpressure so I am wondering if there be need for ecu upgrade for better preformance.

 
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Old Feb 16, 2004 | 01:59 AM
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Re: ECU upgrade must need for XERD headers?

Ok, after about a hour's worth of searching, looking over post's on my350z.com on the XERD header, I found this post
http://www.my350z.com/forum/showthre...highlight=xerd

Look for a post by Z ag, he has this to say,
"Zphat

Some good news, I looked at that file on my Dynojet run viewer, Max SAE HP was 248 and TQ was still the same.

The roughness of the graph @ 5700 rpm leads me to believe it's lean and would like more fuel

"Could you get your other runs data? I would like to see how they change with each mod."

I stopped looking when I found the above thread, you should run a search yourself to see what newer posts my have been done on the topic your inquiring about.

It's kinda sobering to note that two of the guys I see posting about their XERD headers owner experience's on their, end up selling the headers latter on, not being able to stand the raspiness I think.




"All that's necessary for the forces of evil to win in the world is for enough good men to do nothing.”
Edmund Burke

G35 6mt
 
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Old Feb 16, 2004 | 08:23 PM
  #3  
vgrani1g35's Avatar
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Re: ECU upgrade must need for XERD headers?

I have not heard enough about this, i need to know more about it, because i am just about to order them. more info would be greatly appreciated.

 
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