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From the Cat to the muffler? #190225 Jun 1, 10:07pm Jun 1, 10:07pm
Joined: Oct 2003
Posts: 20
Maryland
2003 White Toyota Celica GT
chung OP
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2003 Toyota Celica GT
chung OP
2003 White Toyota Celica GT
Member
2003 Toyota Celica GT

Joined: Oct 2003
Posts: 20
Maryland
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?

Re: From the Cat to the muffler? [Re: chung] #190226 Jun 1, 11:08pm Jun 1, 11:08pm
Joined: Apr 2004
Posts: 427
Calgary, AB, Canada
speed_celica
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2000 Toyota Celica
speed_celica
Senior Member
2000 Toyota Celica

Joined: Apr 2004
Posts: 427
Calgary, AB, Canada
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

Re: From the Cat to the muffler? [Re: chung] #190227 Jun 1, 11:08pm Jun 1, 11:08pm
Joined: Oct 2003
Posts: 1,549
Detroit
JBing
Pizza Geek
2002 Toyota Celica GT
JBing
Pizza Geek
2002 Toyota Celica GT

Joined: Oct 2003
Posts: 1,549
Detroit
Go to a muffler shop and have them put a bigger pipe on there thumbsup, its that simple


FS: 19" ADR M Sports
Re: From the Cat to the muffler? [Re: speed_celica] #190228 Jun 2, 5:35am Jun 2, 5:35am
Joined: Oct 2003
Posts: 20
Maryland
2003 White Toyota Celica GT
chung OP
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2003 Toyota Celica GT
chung OP
2003 White Toyota Celica GT
Member
2003 Toyota Celica GT

Joined: Oct 2003
Posts: 20
Maryland
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

Re: From the Cat to the muffler? [Re: chung] #190229 Jun 3, 11:55am Jun 3, 11:55am
Joined: Apr 2004
Posts: 427
Calgary, AB, Canada
speed_celica
Senior Member
2000 Toyota Celica
speed_celica
Senior Member
2000 Toyota Celica

Joined: Apr 2004
Posts: 427
Calgary, AB, Canada
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

Re: From the Cat to the muffler? [Re: speed_celica] #190230 Jun 3, 5:44pm Jun 3, 5:44pm
Joined: May 2004
Posts: 30
hollister, california
2002 red Toyota Celica
V8killer
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2002 Toyota Celica
V8killer
2002 red Toyota Celica
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2002 Toyota Celica

Joined: May 2004
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hollister, california
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

Re: From the Cat to the muffler? [Re: V8killer] #190231 Jun 3, 5:52pm Jun 3, 5:52pm
Joined: May 2004
Posts: 30
hollister, california
2002 red Toyota Celica
V8killer
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2002 Toyota Celica
V8killer
2002 red Toyota Celica
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2002 Toyota Celica

Joined: May 2004
Posts: 30
hollister, california
also get a hi-flow muff(he-he), ok, i mean mufler tongue

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