Previous Thread
Next Thread
New Reply
Print Thread
Rate Thread
Butterfly valve #232153 Jul 25, 6:05pm Jul 25, 6:05pm
Joined: Jun 2004
Posts: 1,003
San Diego, CA
Sancho OP
SD Syndicate
2004 Toyota Celica GT
Sancho OP
SD Syndicate
2004 Toyota Celica GT

Joined: Jun 2004
Posts: 1,003
San Diego, CA
Butterfly valve
Just removed the butterfly valve from my air box. I've been procrastinating long enough, so just ripped it out in a couple minutes. Can't notice too much of a difference in sound, but i'll try it again tomorrow. CEL didn't come on, so all is good. My question is, what should I do with this valve? Anybody want it? I could sell it to you for the cost of shipping and handling. rofl thumbsup


[Linked Image]
2004 Toyota Celica GT
***Blue Batmobile sponsored vehicle***

Re: Butterfly valve [Re: Sancho] #232154 Jul 25, 6:35pm Jul 25, 6:35pm
Joined: Jul 2004
Posts: 2,016
Ontario
H
Haulin_A_Doo
Specialist
Haulin_A_Doo
H
Specialist

Joined: Jul 2004
Posts: 2,016
Ontario
Probaby not worth anything because everyone had taken them off their celi's. Toss it in the trunk for the next owner incase they live in Michigan & need it for the cold winters. grin

Re: Butterfly valve [Re: Haulin_A_Doo] #232155 Jul 25, 7:26pm Jul 25, 7:26pm
Joined: Jun 2004
Posts: 1,870
San Francisco -The Bay
2000 Silver Toyota Celica
Chelica815
Specialist
2000 Toyota Celica
Chelica815
2000 Silver Toyota Celica
Specialist
2000 Toyota Celica

Joined: Jun 2004
Posts: 1,870
San Francisco -The Bay
I still have mine installed. Would it void warranty if I was to take it off? What does it do anyways?


Aggressively Driven
2000 Celica GT-S 6 Speed
Re: Butterfly valve [Re: Chelica815] #232156 Jul 25, 7:28pm Jul 25, 7:28pm
Joined: Jul 2004
Posts: 2,016
Ontario
H
Haulin_A_Doo
Specialist
Haulin_A_Doo
H
Specialist

Joined: Jul 2004
Posts: 2,016
Ontario
It reduces air flow when its cold. Kinda works like a choak, changing the air fuel mixutre.

I don't think it would void your warrantee if you removed it.

Re: Butterfly valve [Re: Haulin_A_Doo] #232157 Jul 25, 8:23pm Jul 25, 8:23pm
Joined: Jun 2004
Posts: 1,696
Tampa, Florida
Polykarb
Metal Storm 2040
2000 Toyota Celica
Polykarb
Metal Storm 2040
2000 Toyota Celica

Joined: Jun 2004
Posts: 1,696
Tampa, Florida
nah, that valve has nothing to do with emissions. Will not void warranty


FF TWINCAM BEAUTY: CELICA
Re: Butterfly valve [Re: Polykarb] #232158 Jul 25, 9:43pm Jul 25, 9:43pm
Joined: Jun 2004
Posts: 1,003
San Diego, CA
Sancho OP
SD Syndicate
2004 Toyota Celica GT
Sancho OP
SD Syndicate
2004 Toyota Celica GT

Joined: Jun 2004
Posts: 1,003
San Diego, CA
Originally Posted by Polykarb
nah, that valve has nothing to do with emissions. Will not void warranty


Originally Posted by isaac
The "butterfly is a plastic part located inside the air box that is recognizable by the small white flap in the middle. This is a very minor modification which has not shown any significant power gains but results in a deeper sound when accelerating it was placed there by Toyota to help MPG by reducing the amount of air that enters the engine & to keep the car a little quieter at RPMs below 3500.


idunno


[Linked Image]
2004 Toyota Celica GT
***Blue Batmobile sponsored vehicle***

Re: Butterfly valve [Re: Sancho] #232159 Jul 25, 9:47pm Jul 25, 9:47pm
Joined: Mar 2004
Posts: 647
san bernardino, california
hector
Senior Member
2001 Toyota Celica GT
hector
Senior Member
2001 Toyota Celica GT

Joined: Mar 2004
Posts: 647
san bernardino, california
whats the butterfly valve...anyone have pics? never heard of this... spineyes

Re: Butterfly valve [Re: Sancho] #232160 Jul 25, 9:48pm Jul 25, 9:48pm
Joined: Apr 2003
Posts: 2,451
Lafayette, LA
DiabloGTS
Wheezy Joe
2002 Kawasaki Ninja 250
DiabloGTS
Wheezy Joe
2002 Kawasaki Ninja 250

Joined: Apr 2003
Posts: 2,451
Lafayette, LA
it also steadies the idle on a GTS at low rpm's

If you remove it, you will lose vacuum pressure on the GTS when coming to a stop and the power brakes activate.

It's the reason the cars bog down to 400 RPM


To have played and laughed with enthusiasm
and sung with exultation
To know even one life has breathed easier
This is to have succeeded.
Re: Butterfly valve [Re: hector] #232161 Jul 25, 10:13pm Jul 25, 10:13pm
Joined: Jun 2004
Posts: 1,003
San Diego, CA
Sancho OP
SD Syndicate
2004 Toyota Celica GT
Sancho OP
SD Syndicate
2004 Toyota Celica GT

Joined: Jun 2004
Posts: 1,003
San Diego, CA
Originally Posted by hector
whats the butterfly valve...anyone have pics? never heard of this... spineyes


Linked Image

The white thing in the air box wave

Heres the uninstall
https://www.celicahobby.com/ubbthreads/thread.f_57307_0_collapsed_2__1.html


[Linked Image]
2004 Toyota Celica GT
***Blue Batmobile sponsored vehicle***

Re: Butterfly valve [Re: Sancho] #232162 Jul 25, 11:33pm Jul 25, 11:33pm
Joined: Jun 2004
Posts: 1,870
San Francisco -The Bay
2000 Silver Toyota Celica
Chelica815
Specialist
2000 Toyota Celica
Chelica815
2000 Silver Toyota Celica
Specialist
2000 Toyota Celica

Joined: Jun 2004
Posts: 1,870
San Francisco -The Bay
So removing it will give me better sound but worst MPG?


Aggressively Driven
2000 Celica GT-S 6 Speed
Re: Butterfly valve [Re: Chelica815] #232163 Jul 26, 1:32am Jul 26, 1:32am
Joined: May 2004
Posts: 15
us
2004 black Toyota Celica
jrock
Member
2004 Toyota Celica
jrock
2004 black Toyota Celica
Member
2004 Toyota Celica

Joined: May 2004
Posts: 15
us
hey diablo, could you clarify that for me, cause i have a gts; it bogs it down...me lost now

Re: Butterfly valve [Re: jrock] #232164 Jul 26, 7:29am Jul 26, 7:29am
Joined: Nov 2003
Posts: 35
NYC
2002 Silver Toyota Celica GT
nyckaminari
Member
2002 Toyota Celica GT
nyckaminari
2002 Silver Toyota Celica GT
Member
2002 Toyota Celica GT

Joined: Nov 2003
Posts: 35
NYC
The MPG was about the same when I removed mines. It will be slightly louder and adds 1-2 hp, I heard...

Re: Butterfly valve [Re: Chelica815] #232165 Jul 27, 5:44pm Jul 27, 5:44pm
Joined: Jun 2004
Posts: 1,003
San Diego, CA
Sancho OP
SD Syndicate
2004 Toyota Celica GT
Sancho OP
SD Syndicate
2004 Toyota Celica GT

Joined: Jun 2004
Posts: 1,003
San Diego, CA
Originally Posted by Chelica815
So removing it will give me better sound but worst MPG?


Yep! It was there as a choke to control air flow. Fast cars have bad MPGs, while economy cars are the opposite. Let more air in, you're burning fuel faster (Need oxygen to fuel fire, same with combustion). The sound is similar to a CAI, but not as deep. Better off getting a new Intake and ripping the airbox out for more gains. 1-2 hp gains without the butterfly are bs. It hasn't been dyno'd.


[Linked Image]
2004 Toyota Celica GT
***Blue Batmobile sponsored vehicle***

Re: Butterfly valve [Re: Sancho] #232166 Jul 27, 5:55pm Jul 27, 5:55pm
Joined: Oct 2003
Posts: 1,154
Texas
2003 Yellow/Red Toyota Celica
Larry_GTS
Specialist
2003 Toyota Celica
Larry_GTS
2003 Yellow/Red Toyota Celica
Specialist
2003 Toyota Celica

Joined: Oct 2003
Posts: 1,154
Texas
I did that today to

Re: Butterfly valve [Re: Larry_GTS] #232167 Jul 27, 6:41pm Jul 27, 6:41pm
Joined: Mar 2004
Posts: 84
Wisconsin
TheAnswer
Member
2000 Toyota Celica
TheAnswer
Member
2000 Toyota Celica

Joined: Mar 2004
Posts: 84
Wisconsin
So in general you should leave it on or remove it?

Re: Butterfly valve [Re: TheAnswer] #232168 Jul 27, 6:53pm Jul 27, 6:53pm
Joined: Jun 2004
Posts: 1,298
Annapolis, MD
2000 Liquid Silver Toyota Celica
sickcelica696
Specialist
2000 Toyota Celica
sickcelica696
2000 Liquid Silver Toyota Celica
Specialist
2000 Toyota Celica

Joined: Jun 2004
Posts: 1,298
Annapolis, MD
remove it

Join the conversation - Register Now or Log In to add your comment


Moderated by  isaac 

Member Spotlight
CSUN
CSUN
2000 Toyota Celica
S. California (818)

Posts: 104
Joined: May 2002
Show All Member Profiles 
Recent Topics
Resurrecting a 2000 GT automatic.
by cosmo64. 10/19/2017 1:19 PM
APR strut bar brace for 2000 GTS
by TweakMaster. 10/15/2017 8:02 PM
Help with vacuum hose
by Chaos. 10/15/2017 6:07 PM
My 2000 GTS
by TweakMaster. 10/14/2017 6:29 PM
Replaced bad MAF. Now getting p0300/p1300 CEL codes. HELP!
by Bblee1989. 10/14/2017 4:34 PM
What kind of rim is this?
by mariahjordan. 10/10/2017 8:05 PM
Changed Headlight but so Dimm
by smsih. 10/10/2017 2:55 PM
Anyone know this remote unlock key? trying to ID it!
by kieronboz. 10/04/2017 2:36 AM
Customize Your Toyota Celica Privacy Policy · About · Contact
Privacy Policy · About · Contact
CelicaHobby.com is an independent Toyota Celica enthusiast website. CelicaHobby.com is not sponsored by or affiliated with Toyota Motor Sales, USA, Inc. in any way. The Toyota and Celica names and logos are trademarks owned by Toyota Motor Sales, USA, Inc.
© CelicaHobby.com, 2001-2017
Powered by UBB.threads™ PHP Forum Software 7.6.1
(Snapshot build 20171020)