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

M2 Performance Exhaust REVIEW! [HKS REPLICA]

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Old Nov 21, 2011 | 11:21 PM
  #91  
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^ but get the magnaflow x pipe 2.5".. dont get 2.25"
 
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Old Nov 21, 2011 | 11:35 PM
  #92  
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That's right. Magnaflow 11386 or 14386 (polished).
 
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Old Nov 22, 2011 | 01:24 PM
  #93  
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Anyone have leaks when they installed the exhaust up to the cats? the rest of the system seems coo but mine leaks like a **** by the cats connection. Makes it sound like sh*t. everything is centered and lines up (gasket/flanges). I even tighten the sh*t out of the nuts. Im gonna have to go buy some better thick molding gaskets to see if that does the job. I put some of those on my chevelle headers and are sweet but pricy.
 
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Old Nov 28, 2011 | 07:43 PM
  #94  
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Added a cold start video... Check first page
 
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Old Nov 29, 2011 | 07:57 PM
  #95  
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Originally Posted by g3fly
Anyone have leaks when they installed the exhaust up to the cats? the rest of the system seems coo but mine leaks like a **** by the cats connection. Makes it sound like sh*t. everything is centered and lines up (gasket/flanges). I even tighten the sh*t out of the nuts. Im gonna have to go buy some better thick molding gaskets to see if that does the job. I put some of those on my chevelle headers and are sweet but pricy.
Don't have that problem here. You could maybe try adding an extra gasket or 2 there to help it seal better.
 
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Old Dec 5, 2011 | 08:45 PM
  #96  
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Originally Posted by Jairen
HKS replica Magnaflow x-pipe location. Replaces replica h-pipe and resonators. Will greatly reduce in cabin drone and rasp.

Hey i have the same set up as you but i still get in cabin drone mostly from 2k-3k rpm is that normal or there shouldn't be any?
 
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Old Dec 5, 2011 | 08:49 PM
  #97  
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I assume you running test pipes yeah? I believe what we saying for the drone is highway drone.. I'm same here, got the drone from 2-3k rpm but not in highway since the rpm most likely 3k++
 
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Old Dec 5, 2011 | 09:17 PM
  #98  
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Originally Posted by mikhaelbt189
I assume you running test pipes yeah? I believe what we saying for the drone is highway drone.. I'm same here, got the drone from 2-3k rpm but not in highway since the rpm most likely 3k++
u mean city drone right? and Well im running Megan Resonated TP's and the hks rep with magnaflow resonated xpipe but my drone is from 2-3k RPM and just cruising thru city at 40MPh exactly the drone goes away a lil and u can barely hear it but after that it comes back and at 80 Mph on the highway its quiet too since the RPm are at 3k mostly. But since i drive mostly inside city the drowning constantly its kinda annoying. Is there any way to get rid of it?
 
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Old Dec 5, 2011 | 09:20 PM
  #99  
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Well you got the same set up as mine. As what I known off, nothing will get rid of it as you already put the resonated x pipe. The only way is to put another good resonator beside the resonators you have now.
 
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Old Dec 5, 2011 | 09:22 PM
  #100  
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i have a friend that told me to run 2 borla resonators like in the middle after the xpipe kinda like the stillen catback. Do you think that should do it?
 

Last edited by Alex305; Dec 5, 2011 at 09:47 PM.
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Old Jan 3, 2012 | 11:14 PM
  #101  
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Great review, I had a few questions im looking to hook this exhaust up with my fast intentions hfc , is the exhaust made out of 304 stainless , how has it held up? How much would you expect to have it installed to fit perfect?
 
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Old Jan 4, 2012 | 02:06 AM
  #102  
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Originally Posted by NattyBoh27
Great review, I had a few questions im looking to hook this exhaust up with my fast intentions hfc , is the exhaust made out of 304 stainless , how has it held up? How much would you expect to have it installed to fit perfect?
I have had my exhaust on for ~2-3 yrs in cali weather (no snow) and have had no problems with it holding up, even with it getting scraped all over bumps due to my drop. Not sure what install costs run since I did it myself, but the only thing that needed to be altered was the exhaust hanger on one side to have the tip be correctly orientated. Can be bent easily with the correct tools and/or by heating and bending.
 
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Old Jan 11, 2012 | 05:22 PM
  #103  
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Im buying this exhaust now within the next month, thanks for the reviews!
 
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Old Jan 23, 2012 | 01:26 PM
  #104  
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Glad this thread was helpful!
 
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Old Jan 30, 2012 | 04:26 PM
  #105  
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Originally Posted by g3fly
Anyone have leaks when they installed the exhaust up to the cats? the rest of the system seems coo but mine leaks like a **** by the cats connection. Makes it sound like sh*t. everything is centered and lines up (gasket/flanges). I even tighten the sh*t out of the nuts. Im gonna have to go buy some better thick molding gaskets to see if that does the job. I put some of those on my chevelle headers and are sweet but pricy.
I have the exact same problem. Its really leaky by the cats. I even put on thicker gaskets because the ones that come with it are complete garbage. The gaskets helped....for about 100 miles, then the leak came back. I'm probably going to sell mine and go back to stock.

Anyone want it? $300. Only about 1200 miles on it.
 
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