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Joined: Dec 2002
Posts: 50
1sikcel
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1sikcel
2001 black Toyota Celica GTS
Member
2001 Toyota Celica GTS

Joined: Dec 2002
Posts: 50
Long Island- NY
Apr 14, 3:44pm - #12022 
backfire?

I heard that if you replace the catalytic convertor with straight pipe you get a "pop" noise (I think its a backfire, but im not too sure if thats what the "pop" noise is). anyone else have this problem? I want to avoid it but I also want to replace the catalytic convertor and reasonator. Let me know how to make it happen with no "pop".


Current Mods:
Custom Exhaust w/ TSRM muffler,Injen CAI,Hotchkis Lowering Springs,Carbon Fiber Dash,35% Tint,UnderDash Neons,S2000 Antenna,Redded Out Tail Lights,Red Corner Lenses + Blinkers,Radio Face, AEM Tru-Power Pulley
Joined: Feb 2003
Posts: 1,408
CelicaRacer05
Specialist
CelicaRacer05

Specialist
2000 Toyota Celica GT

Joined: Feb 2003
Posts: 1,408
Englewood, CO
Apr 14, 4:00pm - #12023 
Have you actually heard this pop, come from your tail pipe, in "actuallyity" it should not be a backfire, that would be a more engine geared noise, this pop could be an uneven distribution of air in the straight pipe, poping as that you can do pulling your finger out of your mouth, creating a pop... as that is occuring in ur tail pipe

Joined: Feb 2003
Posts: 296
celicaguy
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celicaguy
Member

Joined: Feb 2003
Posts: 296
maryland
Apr 14, 4:04pm - #12024 
hey i have the TRD kazuma exhaust..its not popping.mine does the same thing as certain points in the gas pedal.its the same way with v-8s and letting off the gas when they have duel exhaust.however you spell it its called crackeling..kackling..however you spell it..its just air pockets

Joined: Jan 2003
Posts: 2,161
Street Prototype
ECelica Staff
Street Prototype

ECelica Staff
2002 Toyota Celica GT

Joined: Jan 2003
Posts: 2,161
Guam, U.S.A.
Apr 14, 4:07pm - #12025 
from my experience with my custom exhaust, i had a straight pipe all the way and took out the cat converter, thats what makes a pop noise, now i have me a resonator replacing the cat converter its sounds sweet... you seen my thread and listen to the video right? cheers


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1sikcel
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1sikcel
2001 black Toyota Celica GTS
Member
2001 Toyota Celica GTS

Joined: Dec 2002
Posts: 50
Long Island- NY
Apr 14, 5:00pm - #12026 
i saw the video and it sounded amazing. Im not sure how i would explain to somone at a muffler shop that i want to replace the pipe containing the cat and reasonator with reasonator where the cat used to be and the rest just sraight pipe( basically what you have) how much would it cost roughly and is it possible for them to do. let me know cause i dont want the pop noise and yours sounded pretty damn good. nice job.


Current Mods:
Custom Exhaust w/ TSRM muffler,Injen CAI,Hotchkis Lowering Springs,Carbon Fiber Dash,35% Tint,UnderDash Neons,S2000 Antenna,Redded Out Tail Lights,Red Corner Lenses + Blinkers,Radio Face, AEM Tru-Power Pulley
Joined: Dec 2002
Posts: 50
1sikcel
Member
1sikcel
2001 black Toyota Celica GTS
Member
2001 Toyota Celica GTS

Joined: Dec 2002
Posts: 50
Long Island- NY
Apr 14, 5:54pm - #12028 
I haven't had to yet, but I'm probably gonna put all the stock parts back on.(exhaust, catalytic converter) By the way, will I pass with the Injen CAI?


Current Mods:
Custom Exhaust w/ TSRM muffler,Injen CAI,Hotchkis Lowering Springs,Carbon Fiber Dash,35% Tint,UnderDash Neons,S2000 Antenna,Redded Out Tail Lights,Red Corner Lenses + Blinkers,Radio Face, AEM Tru-Power Pulley
Joined: Mar 2003
Posts: 206
Bradcelica
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Bradcelica
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Joined: Mar 2003
Posts: 206
KC, MO
Apr 14, 8:36pm - #12029 
i get that popping and i still have my stock resonator and cat...i have a pos obx racing muffler that i got free from my friend. its actually decently loud, will taking the resonator off make it too loud (a local muffler shop is willing to do it for $50 for labor and parts)? i dont notice much sound supression when i put on the silencer.


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Grand-Touring-Dan
ECelica Staff
Grand-Touring-Dan
2001 Spec Blue Toyota Celica
ECelica Staff
2001 Toyota Celica

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Posts: 1,660
Houston, TX
Apr 14, 8:53pm - #12030 
I've got that pop and it sucks. Does anyone make a midpipe for our cars? Greddy?

Joined: Dec 2002
Posts: 50
1sikcel
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1sikcel
2001 black Toyota Celica GTS
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2001 Toyota Celica GTS

Joined: Dec 2002
Posts: 50
Long Island- NY
Apr 15, 6:34pm - #12031 
Hey, street prototype: Did you use your reasonator that came with the tanabe exhaust to replace your catalytic convertor? Cause I'm gonna go with 1 of these 2 setups: remove reasonator and keep cat leading to the catback exaust with the catback muffler removed or... reasonator in place of the cat and the rest straight pipe (like you have)leading to the catback exhaust with the catback muffler removed. I definetly don't want any setup that will make the "pop".


Current Mods:
Custom Exhaust w/ TSRM muffler,Injen CAI,Hotchkis Lowering Springs,Carbon Fiber Dash,35% Tint,UnderDash Neons,S2000 Antenna,Redded Out Tail Lights,Red Corner Lenses + Blinkers,Radio Face, AEM Tru-Power Pulley
Joined: Jan 2003
Posts: 2,161
Street Prototype
ECelica Staff
Street Prototype

ECelica Staff
2002 Toyota Celica GT

Joined: Jan 2003
Posts: 2,161
Guam, U.S.A.
Apr 15, 6:46pm - #12032 
i dont have a Tanabe exhaust, the video looks like a Tanabe really but its one of those generic type mufflers, in fact its MDR motorsport muffler... about the resonator replacing the cat converter, check your local muffler shop if they have any available resonator you can buy from them, the muffler shop i went too got a toyota resonator, i dont even know what car it fits but it did fit perfect under the heatshield of the cat converter, you can buy resonators from any parts store and look for the size that fits perfect under your heatshield, by the way, the bigger the better, it will sound deep and loud like mine... if you have anymore questions just post, were here to help cheers


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Nae-Nae
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Nae-Nae

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Posts: 79
Kamloops BC Canada
Apr 15, 10:10pm - #12033 
i've been told by more than a few people that it is mearly "relieving back-pressure"

but i still havent heard how to avoid it!!

(maybe get a turbo!?) [Tasty]


you seem to have underestimated my sneakiness, sir.

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Apr 16, 10:45pm - #12034 
Back pressure is really needed in Celica...
From my experience... I rather have little back pressure then less...

I had the straigh pipe(with hig flow cat)...
Low end is really dead..

But now that I have Veilside exhaust.. it's brought back just enough back pressure...
It improved so much low end.. and still it has pretty good high end... not as good as above setting...
It smooth out the whole power band... take off is so much smoother...

Joined: Dec 2002
Posts: 79
Nae-Nae
Member
Nae-Nae

Member

Joined: Dec 2002
Posts: 79
Kamloops BC Canada
Apr 16, 10:47pm - #12035 
but does it still *pop*??


you seem to have underestimated my sneakiness, sir.
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