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Joined: Oct 2003
Posts: 20
chung
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chung
2003 White Toyota Celica GT
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2003 Toyota Celica GT

Joined: Oct 2003
Posts: 20
Maryland
Jun 1, 11:07pm - #190225 
From the Cat to the muffler?

Does anyone know how wide the pipe is from the cat. to the muffler??? and would I be able to get a wider pipe?

Joined: Apr 2004
Posts: 427
speed_celica
Senior Member
speed_celica

Senior Member
2000 Toyota Celica

Joined: Apr 2004
Posts: 427
Calgary, AB, Canada
Jun 2, 12:08am - #190226 
I belive it's 2.5 inches, but there really isn't any Performance benefit in getting a wider pipe because most cat-back exhausts for our car has the same pipe diameter, not to mention the headers are the same too. So if anything you'll lose some Performance due to less back pressure. thumbsdown

Joined: Oct 2003
Posts: 1,549
JBing
Pizza Geek
JBing

Pizza Geek
2002 Toyota Celica GT

Joined: Oct 2003
Posts: 1,549
Detroit
Jun 2, 12:08am - #190227 
Go to a muffler shop and have them put a bigger pipe on there thumbsup, its that simple


FS: 19" ADR M Sports
Joined: Oct 2003
Posts: 20
chung
Member
chung
2003 White Toyota Celica GT
Member
2003 Toyota Celica GT

Joined: Oct 2003
Posts: 20
Maryland
Jun 2, 6:35am - #190228 
Originally Posted by speed_celica

I belive it's 2.5 inches, but there really isn't any Performance benefit in getting a wider pipe because most cat-back exhausts for our car has the same pipe diameter, not to mention the headers are the same too. So if anything you'll lose some Performance due to less back pressure. thumbsdown



So i shouldnt do that? when i clicked on the word Performance in your post it says wider pipe gains 1-3 HP. confused

Joined: Apr 2004
Posts: 427
speed_celica
Senior Member
speed_celica

Senior Member
2000 Toyota Celica

Joined: Apr 2004
Posts: 427
Calgary, AB, Canada
Jun 3, 12:55pm - #190229 
Well... it'll probably be around $50-$80 for a wider pipe. Personally I don't think it's worth the money and time. You'll get better gains from a cat-back exhaust and headers. But you can try it and tell me how it goes thumbsup

Joined: May 2004
Posts: 30
V8killer
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V8killer
2002 red Toyota Celica
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2002 Toyota Celica

Joined: May 2004
Posts: 30
hollister, california
Jun 3, 6:44pm - #190230 
its all about flow and thermodinamics, i heard from the guys who tune corllas that if you wrap the whole first half of your exhaust exept for the catalytic converters it keeps the gases hot and expanded and that could give you up to, i think, 5-10whp. thumbsup

Joined: May 2004
Posts: 30
V8killer
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V8killer
2002 red Toyota Celica
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2002 Toyota Celica

Joined: May 2004
Posts: 30
hollister, california
Jun 3, 6:52pm - #190231 
also get a hi-flow muff(he-he), ok, i mean mufler tongue

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