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Discussion Starter · #1 ·
maybe a silly question. but is the stock exhaust diameter 2" or 2.25" or am i way off. im prolly getting a custom exhaust setup made so i want to know what im dealing with ahead of time so i can tell the muffler guy.
 

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Actually, now that I remember, I have a chrome tip on my focus and it is for a 2inch exhaust.

[ 09-02-2002: Message edited by: zetecinside ]</p>
 

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1.75 it is
 

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<blockquote><font size="1" face="Verdana, Arial">quote:</font><hr>Originally posted by AphidAudio:
so, so far we really dont know.... im not talking about the tip, im talking about the diameter of the actual exhaust pipe as it comes out the cat.<hr></blockquote>

yeah bugshack is right 1 7/8"
 

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Yup 1 7/8" internal diameter. Or as it is often refered 2" (the outside diameter)
 

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Discussion Starter · #9 ·
ok, so when you order exhaust it comes in 2.25" and 2.5". is this measured the internal or external diameter? also, which is better to get if you are not running turbo or nitrous?
 

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I just measured one the other day and it's 1 7/8"

AphidAudio: I just replaced a 2.5" catback on Kathy's car with a 2.25" system, the car runs much better with the smaller diameter system since the car is stock, I guess it likes a bit more back pressure. I have a JRSC on mine and am sticking with the 2.25" exhaust, mainly cause of noise, her 2.5" system is a little louder.
 
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