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Joined: Nov 2003
Posts: 88
nemisiscelica
Member
nemisiscelica Jan 26, 5:41pm - #91184 

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2003 Toyota Celica GT

Joined: Nov 2003
Posts: 88
Mississippi
What size piping?

I am going to do custom piping from either the axle, or catalytic converter back. What do ya'll suggest i do and what size piping should i use.
Joined: May 2002
Posts: 3,295
Steven
ECelica Staff
Steven Jan 26, 6:28pm - #91185 
2001 Spectra Blue Mica Toyota Celica GTS
ECelica Staff
2001 Toyota Celica GTS

Joined: May 2002
Posts: 3,295
Riverside, CA
stock piping is 2.25" or 2.5"

It's one of the two, either way you'll be good to go. I wouldn't go any larger than that unless you're getting forced induction because you want to keep the exhaust gases hot. I'm not an expert or anything but i know that that the hotter the exhaust gases, the faster it moves which is what you want in a custom exhaust.
Joined: Sep 2003
Posts: 189
RedDevil
Member
RedDevil Jan 27, 12:54am - #91186 
2002 Red Toyota Celica
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2002 Toyota Celica

Joined: Sep 2003
Posts: 189
I have new piping right before the CAT and all the way to axel..
CAT has been replaced with high flow cat and resonator is gone...
But warning this setup will be loud...
Oh yea.. it's all 2.5"

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Joined: Jun 2003
Posts: 1,111
GraSSRooTs
Specialist
GraSSRooTs Jan 27, 12:57am - #91187 

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2001 Toyota Celica

Joined: Jun 2003
Posts: 1,111
MA
Yup, very loud. Illegal loud. If you aren't scared of the pigs then go for it.

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Joined: Nov 2003
Posts: 88
nemisiscelica
Member
nemisiscelica Jan 27, 6:11am - #91188 

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2003 Toyota Celica GT

Joined: Nov 2003
Posts: 88
Mississippi
Sooooooo if i have 2.5 inch and go to a 2.25 inch pipe, will it improve the flow of my exhaust? And how would this affect the sound?
Joined: Jan 2004
Posts: 1,168
Eyger
Specialist
Eyger Jan 27, 6:42am - #91189 

Specialist
2000 Toyota Celica

Joined: Jan 2004
Posts: 1,168
California
2.5 That would be my reccomendation. The only reason being that it'll make whomever welding the pipes a whole lot happier because it would make the weld easier. And if you buy an aftermaket muffler, i'm almost 100% sure that they most commonly come in 2.5 Diameters!
Happy Exhaustion!

Knowing the path and choosing the path are two different things.
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