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

intake/performance

Old Dec 30, 2007 | 01:59 AM
  #16  
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Originally Posted by g35freak86
I agree on the spacer. It's the next thing I would get after the intake. Not to expensive, but it will give you the power you want.

Thanks Chris!
No problem

I love the extra power I got from my spacer...I keep kicking myself wondering why I took so long to get it!
 
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Old Dec 30, 2007 | 03:56 AM
  #17  
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God you guys are making me want to get a spacer so bad!
 
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Old Dec 30, 2007 | 04:32 AM
  #18  
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Get the spacer. You wont regret it.
 
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Old Dec 30, 2007 | 07:15 AM
  #19  
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Originally Posted by skiffangler
i brought my infiniti to the dealer today and had fujita intake installed. First off the sound is amazing and wasnt expecting that much of a increase in sound. My question is does it add hp, i dont feel any increase in speed???

Also what would be my next step in performance to add hp but not break the bank???( ive heard about a spacer but dont understand anything about it??)
thanks
I read your post, and 1 (one) after it...

I highly suggest researching "intake/exhaust" threads... you may, or (likely) may not get good info from this thread... but you will get lots of good info from researching your quest.

Happy modding!
 
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Old Dec 30, 2007 | 10:49 AM
  #20  
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Originally Posted by G35papa
No problem

I love the extra power I got from my spacer...I keep kicking myself wondering why I took so long to get it!

I plan on getting one myself in my spring/summer mod. However I have to get the copper iso thermal spacer since I live in NJ and it gets cold as crap. So that's like 350 bucks as opposed to 200 lol. DAMN YOU COLDNESS!!
 
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Old Dec 30, 2007 | 10:54 AM
  #21  
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is the spacer a hard install, because i have to have the dealer install it, if i dont want the warranty voided and at 100 bucks a hour installation get pretty expensive
 
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Old Dec 30, 2007 | 12:25 PM
  #22  
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I wouldn't say its hard but it is time consuming as you want to take your time when doing it. I did mine and also replaced my spark plugs while I had everything apart.

I think you can find the instructions online somewhere. Print them out and take them to your dealer, ask for a quote. Maybe they will give you a straight up price vs. $100 an hr +however long it takes. Or try another shop if you don't want to do it yourself
 
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Old Dec 30, 2007 | 04:49 PM
  #23  
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I dont understand it seems to me everyone recommends the 5/16" spacer which according to everythingg35.com adds 11-13hp and is cheaper than the 1/2" spacer which adds 12-14hp. What i dont understand is why everyone recommends the 5/16 when it isnt as good as the 1/2. Am i missing something?
 
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Old Dec 30, 2007 | 05:01 PM
  #24  
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Originally Posted by toymachine2009
I dont understand it seems to me everyone recommends the 5/16" spacer which according to everythingg35.com adds 11-13hp and is cheaper than the 1/2" spacer which adds 12-14hp. What i dont understand is why everyone recommends the 5/16 when it isnt as good as the 1/2. Am i missing something?
the 5/16 has been shown to gain more useable power throughout the band than the 1/2 which gets its gains at higher rpms. the engine isnt always at 6500 rpms so most would rather have useable gains. the 5/16 also always the use of engine cover which can help mask the presence of the spacer if you took your car in for some warranty work. some have better dealers than others but the less ammo they have then the more it seems they are willing to cooperate. i have been very satisfied with my MD 5/16 even though i do not run an engine cover.
 
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Old Dec 30, 2007 | 05:26 PM
  #25  
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Originally Posted by sloppymax
the 5/16 has been shown to gain more useable power throughout the band than the 1/2 which gets its gains at higher rpms. the engine isnt always at 6500 rpms so most would rather have useable gains. the 5/16 also always the use of engine cover which can help mask the presence of the spacer if you took your car in for some warranty work. some have better dealers than others but the less ammo they have then the more it seems they are willing to cooperate. i have been very satisfied with my MD 5/16 even though i do not run an engine cover.
Thank you very much for clearing that up!
 
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Old Dec 30, 2007 | 05:55 PM
  #26  
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1+
Originally Posted by Ghayes23
Get the spacer. You wont regret it.
 
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Old Dec 30, 2007 | 09:24 PM
  #27  
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also, the intake didnt void my warranty since infiniti installed it. will this be the same with the spacer ???
thanks
 
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Old Dec 31, 2007 | 03:20 AM
  #28  
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Originally Posted by G35papa
He stated he had an 06 5AT so the MREV2 numbers/gains will not be the same for him (should be less). Those dyno numbers are for the 6MT rev-up engines. I wouldn't spend the money on the MREV2 if it was me.

Definately get the 5/16" spacer (don't bother with the 1/2" as the 5/16" has proven to give you more power over the entire band vs. just the top end).

Chris, good looking out. Helping the newbs find their way
^+1
Originally Posted by skiffangler
also, the intake didnt void my warranty since infiniti installed it. will this be the same with the spacer ???
thanks
yup...
 
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