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Joined: Aug 2003
Posts: 44
guitars34
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guitars34

Member
2000 Toyota Celica

Joined: Aug 2003
Posts: 44
Kansas City, Missouri
Oct 2, 7:33pm - #50677 
Catalytic converter and O2 sensors.

I was thinking of cuting off my stock cat and boring it out then welding it back on. Does anyone know if this will cause my check engine light to come on because of the sensors? And has anyone tried this

Joined: May 2003
Posts: 5,346
spaztikid
dikitzaps
spaztikid
dikitzaps
1974 Toyota Celica

Joined: May 2003
Posts: 5,346
LA
Oct 2, 7:48pm - #50678 
heard of it before. only 1 way to find out. but there's no way you'll ever pass an emmisions test w/o the cat.


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Oct 2, 8:00pm - #50679 
Do you have to take an emmisions test? Im not sure but I have never heard of anyone i know going.

Joined: Dec 2002
Posts: 1,660
Grand-Touring-Dan
ECelica Staff
Grand-Touring-Dan
2001 Spec Blue Toyota Celica
ECelica Staff
2001 Toyota Celica

Joined: Dec 2002
Posts: 1,660
Houston, TX
Oct 2, 9:16pm - #50680 
well fellas. You will not pass emissions and your CEL will come on. Don't 'bore' out the cat. Just get a Hi Flo one. They are carb approved and will not set off the light. thumbsup

Joined: May 2003
Posts: 5,346
spaztikid
dikitzaps
spaztikid
dikitzaps
1974 Toyota Celica

Joined: May 2003
Posts: 5,346
LA
Oct 2, 10:01pm - #50681 
high flo cats only add like 1 hp...our stock cats are good enough. its not woth the $$$ IMO

Joined: Aug 2003
Posts: 1,251
silver
Specialist
silver
2000 Silver Toyota Celica GT
Specialist
2000 Toyota Celica GT

Joined: Aug 2003
Posts: 1,251
California
Oct 2, 11:06pm - #50682 
dont mess with your cat. you could get cancer or some other disease. they are just full of bad stuff.

and dont take it off either, because then all of that bad stuff gets into the air and we all have to breathe it. yuck puke

Joined: Jul 2003
Posts: 498
ev3
Senior Member
ev3

Senior Member
2002 Toyota Celica ZR

Joined: Jul 2003
Posts: 498
Australia
Oct 3, 1:07am - #50683 
Originally Posted by silver
dont mess with your cat. you could get cancer or some other disease. they are just full of bad stuff.

and dont take it off either, because then all of that bad stuff gets into the air and we all have to breathe it. yuck puke


rofl rofl rofl

Joined: May 2002
Posts: 3,295
Steven
ECelica Staff
Steven
2001 Spectra Blue Mica Toyota Celica GTS
ECelica Staff
2001 Toyota Celica GTS

Joined: May 2002
Posts: 3,295
Riverside, CA
Oct 3, 1:08am - #50684 
For reals!!!!

Originally Posted by silver
dont mess with your cat. you could get cancer or some other disease. they are just full of bad stuff.

and dont take it off either, because then all of that bad stuff gets into the air and we all have to breathe it. yuck puke

Joined: Dec 2002
Posts: 1,660
Grand-Touring-Dan
ECelica Staff
Grand-Touring-Dan
2001 Spec Blue Toyota Celica
ECelica Staff
2001 Toyota Celica

Joined: Dec 2002
Posts: 1,660
Houston, TX
Oct 3, 1:32am - #50685 
I got a Hi Flo cat. Someone got a problem? JK guys.

For real, if you want one, then get one.

Joined: Nov 2002
Posts: 396
Illusive
Member
Illusive
Member

Joined: Nov 2002
Posts: 396
Southern California
Oct 3, 9:27am - #50686 
i've got a test pipe, no cat and no res that I can bolt up for the track.

It makes a big difference. Dropped me an average 1 tenth in 1/8 mile times and gained 1 mph in traps, thats with it bolted up to my TRD alxe back exhaust.

unbolted/removed TRD exhaust with testpipe I've gotten close to 2.5mph gains in 1/8 mile traps!!!!!

from 77's to 79's

CEL will come on, it wont hurt anything but the enviornment, so only run it at the track!


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8.831 @ 79.8 mph (best 1/8 new motor 12/02/04)
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