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Joined: Nov 2002
Posts: 447
supra_celica
Senior Member
supra_celica Mar 31, 7:36am - #10702 

Senior Member
2000 Toyota Celica GTS

Joined: Nov 2002
Posts: 447
Woodstock, Georgia
Mid pipes, high flow cats

Ok, After i get headers for my GTS, what should I do next? Is a high flow cat worth it? Does a midpipe replace a cat.convtr.? What are downpipes and mid pipes? Any brands out there or do shops have to fabricate these? VERY curious. Please note, that I am trying to keep my car street legal (emissions), yet as fast as possible. I need some serious education in these departments. Thanks!!!! wtf

Those who knew me, knew me well.
For those who don't, can go to hell.
Joined: Dec 2002
Posts: 1,660
Grand-Touring-Dan
ECelica Staff
Grand-Touring-Dan Mar 31, 7:44am - #10703 
2001 Spec Blue Toyota Celica
ECelica Staff
2001 Toyota Celica

Joined: Dec 2002
Posts: 1,660
Houston, TX
Downpipe is the pipe that goes from the header to the cat. If you want an aftermarket one, I suggest getting it custom made. The only one I know of is AMSS, and they are not a reliable source.

Midpipe is the pipe from the cat to the muffler. No company makes a mid pipe, so it must be custom made. I suggest you get a high flow cat and eliminate the resonator, but thats your choice. I just got a custom mid pipe, here is the link. Check it out.
https://www.celicahobby.com/cgi-bin/ubb/ultimatebb.cgi?ubb=get_topic;f=4;t=001566

Hope I helped.

Dan
Joined: Dec 2002
Posts: 293
dondiemand
Member
dondiemand Apr 1, 8:16am - #10704 

Member
2003 Toyota Celica

Joined: Dec 2002
Posts: 293
So Cal
supra_celica , what kind of headers did you get? was it hard to install? how is the gain? thanks man!

[ 04-01-2003, 12:16 AM: Message edited by: dondiemand ]
Joined: Nov 2002
Posts: 447
supra_celica
Senior Member
supra_celica Apr 1, 8:46am - #10705 

Senior Member
2000 Toyota Celica GTS

Joined: Nov 2002
Posts: 447
Woodstock, Georgia
Haven't gotten them yet. I heard to stay away from Ceramic coated headers. I want TRD or TRIAL, but I'm not forkin' over 800 bucks plus install for those. Hell no. We need a frickin' group buy or something. Anybody know of a good brand of headers out there other than these two?!?!?! confused confused confused

Those who knew me, knew me well.
For those who don't, can go to hell.
Joined: Dec 2002
Posts: 293
dondiemand
Member
dondiemand Apr 1, 9:56pm - #10706 

Member
2003 Toyota Celica

Joined: Dec 2002
Posts: 293
So Cal
yeah, it's really expensive for just a header, but i heard Trial is better than TRD..i dont know who else makes them
Joined: Feb 2003
Posts: 67
jeremy
Member
jeremy Apr 2, 9:15pm - #10707 
Member

Joined: Feb 2003
Posts: 67
wisconsin
so whats a good repitable company that sells high flow cats... im looking to drop new headers in also and wish to finish the rest of my exhaust system.. catback done.

GT300 body kit on, getting fitted, doing install myself.
pics comin as soon as my kit is here and painted...
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