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Joined: Oct 2003
Posts: 57
Volatile
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Volatile Jan 17, 9:27am - #84838 
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Joined: Oct 2003
Posts: 57
is it bad just curious?

I was wondering is it bad if you change your exhaust to an aftermarket one (tanabe, apex'i, hks, etc) and while in the other hand leave your Intake stock?

because I heard ppl say that if you mod your exhaust you should do Intake to, so I was just curious.


Thanks smile
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xmangt1
4 All U Haterz!
xmangt1 Jan 17, 9:28am - #84839 

4 All U Haterz!
2000 Toyota Celica GT

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Chicago, IL
I've heard that too. I would change the Intake.
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isaac
ECelica Admin
isaac Jan 17, 9:46am - #84840 
2001 Absolutely Red Toyota Celica GT
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2001 Toyota Celica GT

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Los Angeles, CA
bottle neck - no doubt you've heard this term relating to computers...

as for cars, you make it easier for fumes to be released from your car with a high flow exhaust - how about making it easier for your car to suck in air with superior air Intake system smile

once you are done with that, the bottle neck no-longer sits at either end - its now sitting in the middle (the engine) spineyes

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Krayze
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Krayze Jan 17, 12:26pm - #84841 

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Pittsburgh, PA
exactly what isaac sasy but no it wo't hurt yoru car it jsut won't make as much pwoer as it would with a Intake.

67 mustang fastback
289 v8
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Speed4TheNeed
Caleb
Speed4TheNeed Jan 17, 1:58pm - #84842 

Caleb
2000 Toyota Celica

Joined: Aug 2003
Posts: 6,372
New Orleans, LA
Originally Posted by Krayze
exactly what isaac sasy but no it wo't hurt yoru car it jsut won't make as much pwoer as it would with a intake.


ditto. it won't hurt it...but you have to add other aftermarket parts (wider piping, basically) to increase its potential.

this is why only an Intake might increase your whp by 2 horses and an exhaust alone might give you an extra 4 whp..but put them together and you could realistically get 8 whp (sort of like 'centergy'...2 parts together produce greater gains than if both parts were to work independently). and of course the actual power gains depend upon the specific parts used..some Intakes > than other Intakes and some exhausts > other exhasuts (2, 3, and 8 were just random figures based on what some parts would achieve) thumbsup
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s355
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s355 Jan 18, 3:16am - #84843 

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2000 Toyota Celica GT

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Posts: 19
The word is "Synergy". If you are thinking of changing a componet on a system you must consider what effect the componet has on the overall system. Example is the exhaust change. It helps, but what about all the changes that can be made? Most of the time total system changes are unrealistic due to expence or other cost ( gas milage ). The same applies to suspension, drive train, etc. When upgrading your car think SYSTEM. If you are just going for looks then don't worry about it, but don't expect big changes. My 2 cents.
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Speed4TheNeed
Caleb
Speed4TheNeed Jan 18, 9:59pm - #84844 

Caleb
2000 Toyota Celica

Joined: Aug 2003
Posts: 6,372
New Orleans, LA
Originally Posted by s355
The word is "Synergy". If you are thinking of changing a componet on a system you must consider what effect the componet has on the overall system. Example is the exhaust change. It helps, but what about all the changes that can be made? Most of the time total system changes are unrealistic due to expence or other cost ( gas milage ). The same applies to suspension, drive train, etc. When upgrading your car think SYSTEM. If you are just going for looks then don't worry about it, but don't expect big changes. My 2 cents.


true, and thanks for the headsup on the 'synergy'--i never get it right.

but you must also remember that everyone has to start somewhere and most everyone cannot afford to do a total Intake/exhaust system setup (CAI, header, muffler, and exhaust could EASILY run you $2000).

also, many people buy exhausts for style reasons (this isn't a bad reason--if you have a kit and have a big hole for your exhaust, it looks quite funny to see a stock exhaust tip, for example) and sound quality is also another good reason. exhausts in and of itself do not offer much poewr gains--you have to do the 'system' as you mentioned above to get worthwhile power from it (unless you spend $$ retuning your ecu--but usually on serious tuners do this).
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