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

High Flow Cats Longevity Question

Old Oct 22, 2007 | 07:12 PM
  #16  
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From: Carteret, NJ
Originally Posted by ManwiththePlan
I thought they recently changed this or were planning on changing it and going ODBII?
Idk what they are planning on doing, but there are no emissions in Florida, and there hasnt been for the past 6 years Ive been here.
 
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Old Nov 1, 2007 | 04:44 PM
  #17  
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Patrick
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So the signs/symptoms of a blown CAT are? The "Honey Comb" gets pushed out the back and gets stuck... How will you know in-cabin if this happens?
 
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Old Nov 1, 2007 | 04:48 PM
  #18  
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From: SoCal
Originally Posted by mpspeer
So the signs/symptoms of a blown CAT are? The "Honey Comb" gets pushed out the back and gets stuck... How will you know in-cabin if this happens?
In cabin - well you'd being to hear more exhaust sound - typically higher in pitch and maybe some rasp delevoping.

Outside - everything above and you'd be getting smells of the unburnt gases as well.

Rick
 
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Old Nov 3, 2007 | 04:51 PM
  #19  
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Wouldn't HFCs hold up better with a SC than a turbo? Less heat right?
 
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Old Apr 8, 2008 | 03:14 PM
  #20  
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From: Fishers, IN



I'm N/A with 5/16th spacer, K&N drop in filter, z-tube, and FI exhaust. Is it normal for my exhaust to look like this each time?
 
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Old Apr 8, 2008 | 03:19 PM
  #21  
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no, sir.
 
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Old Apr 8, 2008 | 05:40 PM
  #22  
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From: Fishers, IN
why would it be looking like that? it gets pretty dirty. do i need a catch can?
 
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Old Apr 8, 2008 | 11:58 PM
  #23  
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From: SoCal
I'd check your oil there...keep and eye on it....
 
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