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Stock Exhaust piping diameter

  #1  
Old 04-20-2008, 01:53 PM
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Join Date: Mar 2008
Posts: 6
Default Stock Exhaust piping diameter

What is the stock piping diam. on a 98 s70 GLT? I dont want to do a full cat back system, I just want to replace that "muffler box" with a borla muffler. Can I buy the turbo series muffler online, and just have an exhaust shop weld it on?
 
  #2  
Old 04-20-2008, 02:31 PM
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Default RE: Stock Exhaust piping diameter

Why do you want to do something half assed?

1. You wont gain any performance.

2. You will only gain sound.

Maybe all you want is sound, then go ahead, but if you want performance then do it right.

2.25"-2.5" I would say is the OEM piping, I also suggest getting under the car after it has been sitting for awhile and measure it with a tape measure. So you know for sure what size it is.
 
  #3  
Old 04-20-2008, 03:12 PM
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Join Date: Mar 2008
Posts: 6
Default RE: Stock Exhaust piping diameter

S70, that is exactly the response I was looking for, and I'm not being sarcastic! So what system do you recommend? I have the EST intake on, and it sounds great when I blowoff, not to mention I gained a few MPG, but I'm really looking for that deepM3 stylesound, and if a few ponies get thrown in with it, then why not!
 
  #4  
Old 04-20-2008, 03:58 PM
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Default RE: Stock Exhaust piping diameter

Look at the various systems available from EST, IPD USA, VIVA PERFORMANCE.

Or have a local muffler shop fab you a system.

Is your GLT turboed?
 
  #5  
Old 04-21-2008, 12:35 AM
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Join Date: Mar 2008
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Default RE: Stock Exhaust piping diameter

Yes, it is turboed.
 
  #6  
Old 04-21-2008, 08:35 AM
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Default RE: Stock Exhaust piping diameter

Ok...

2.5" mandrel bent catback system witha free flowing muffler such as BORLA or Magnaflow. That is what I recommend if you go custom. Add a hi-flow CAT into that as well.

Also I recommend doing a 3" mandrel bent downpipe as well.
------------------------------------------------------------

If you want prefabbed look into EST, IPD USA and VIVA PERFORMANCE.
 
  #7  
Old 11-14-2018, 07:46 PM
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Join Date: Nov 2018
Posts: 3
Default 2015 S60 T6 exhaust diameter

Hey, I am trying to the diameter of my 2015 S60 T6 Polestar+ Optimized exhaust so I can fit electronic exhaust cutouts!
Thank you!
-ThatGuyWithTheS60
 
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