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

plenum spacer opinions please!

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  #1  
Old 05-15-2007 | 03:33 PM
bemeg35's Avatar
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From: Bergen County N.J
plenum spacer opinions please!

I know that they make a 5/16" and a 1/2"...so which is
better..Motordyne makes a basic,
iso thermal, and a copper iso thermal....What
should I go with? and will I really feel a difference?....some opinions please.. i have an 03 6mt coupe with sport package
 
  #2  
Old 05-15-2007 | 03:37 PM
Concealed StrateG35's Avatar
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From: Seattle/Tacoma, WA
Originally Posted by bemeg35
I know that they make a 5/16" and a 1/2"...so which is
better..Motordyne makes a basic,
iso thermal, and a copper iso thermal....What
should I go with? and will I really feel a difference?....some opinions please.. i have an 03 6mt coupe with sport package
1/2" is for SEDAN

5/16" is for Coupe

IMO Get ISO Thermal

If it EVER SNOWS where you live then get the Copper ISO Thermal...

Also I PMed You
 
  #3  
Old 05-15-2007 | 04:53 PM
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How many of these threads do you need?
 
  #4  
Old 05-15-2007 | 04:54 PM
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Originally Posted by Concealed StrateG35
1/2" is for SEDAN

5/16" is for Coupe

Who told you this???

That is not true at all.

http://www.motordyneengineering.com/G35.asp
 
  #5  
Old 05-15-2007 | 11:34 PM
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So what gives you the most 5/16" or 1/2"
 
  #6  
Old 05-15-2007 | 11:54 PM
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From: El Paso Texas
1/2 i guess but you cant put the Engine cover on
 
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