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Old Feb 26, 2004 | 08:46 PM
  #1  
daveplot's Avatar
daveplot
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From: Salisbury, MD
03 Exhaust

Does anyone know the size of the 03's exhaust pipes? Are they the same as the 02 (2.5")?

I'm looking into changing my muffler for a Flowmaster 50 series and they don't list the 03 Expedition on their site.
 

Last edited by daveplot; Feb 26, 2004 at 09:21 PM.
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Old Feb 26, 2004 | 09:05 PM
  #2  
Monsta's Avatar
Monsta
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Looks like 3" to me!

I have a 3" chrome tip so I know the tailpipe is 3". I also did not see any increase along the way from the cat converter.
 
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Old Feb 27, 2004 | 08:08 PM
  #3  
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AF Mezkin
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From: Azzano Decimo, Italy
My Expy has a 2 7/8 in.outside dia. at the tip ( if I remember right) but I think the pipe is smaller at the muffler. I had a Flowmaster (70 series) installed that was 2.5 in.outside dia and it fit perfect.
 
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Old Feb 28, 2004 | 01:32 AM
  #4  
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Flow Masters?

What's the difference between the Flow 50 or 70? I had flows on my F150 but don't know which ones. I did like them. I want to trick out the 2003 Expy but not sure what to do.
 
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Old Feb 28, 2004 | 08:35 AM
  #5  
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From: Azzano Decimo, Italy
The 70 series has slightly less of interior and exterior tone levels (within the mellow range) than the 50 series. The 50 series has a more of a deep tone level in the exterior side.
I chooce the 70 series because I didn't want the sound to resonate through the cab and not be able to carry a normal conversation. (Did not want my wife to complain about being too loud in the cab.)
 
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