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Thread: Corolla 4age20v Exhaust redesign

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    Default Corolla 4age20v Exhaust redesign

    Redesigning :
    I ‘ve been thinking about redoing my car’s exhaust since a few days. Went to Exhaust repair shop in city but didn’t get any useful ideas from him so I decided to work on muffler myself, thought about taking out the resonator and installing a bigger centre muffler but idea failed as car will hit underside going over our “specially” designed car breaker speed bumps.

    So now I am left with a thought of having 2 (ae-101 corolla) centre mufflers bolted not side by side but one after other and make a “Y” shape pipe which passes from both in parallel, not one after other hence reducing the exhaust out pressure by half from each muffler then joining back the pipe again with a “ Y” shape to the end muffler.

    Hoping 2 mufflers will fit without hanging too much under the car.
    ,,, unless you know the track, you're not good enough to sit behind the wheel." K T

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    Default

    u mean like this raa bhai.?
    Corolla 4age20v Exhaust redesign -736559
    Honda Civic 99 EK Hatch / Honda Integra 92 DA Coupe
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    Default

    rashid bahi you shoudl aim to increase flow but with retaining some back pressure.

    best bet is to fit a longer straigh flow system with a slightly thinner than stock diameter if you wish to retain low end torque. however if you are willing to sacrifice bottom end torque to gain better revving and mor ehigh end power hyou shoudl do the same as above but with slightly larger pipes.

    ideally you shodl go for a better flowing but not noisier setup, for that you'll need to get custom boxes made, the ones you get in the shops (pre made) are garbage and only increase noise.
    1. A car is only worth what someone is willing to pay for it, 2. Resale wont save your life in an accident, 3. Genius has limits, stupidity has none, 4. Never argue with an idiot, they will bring you down to their level & beat you with experience, 5. Growing old beats the alternative -- dying young! 6. انّا للہ و انّا الیہ راجعون

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    good yar
    Wear Seat Belts. Your Family Loves You.

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    Default

    .
    storm: back pressure is enough. even the sound does not annoy me inside car when windows rolled up. its the people outside on road who have problems
    racer1 can explain his experience on motorway entry.


    hashims no not exactly that wide. both mufflers closer to eachother one after other inline but yr piping design is right lemme turn the figure

    Corolla 4age20v Exhaust redesign -736624
    ,,, unless you know the track, you're not good enough to sit behind the wheel." K T

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    Default

    Bad design, it will create high and low pressure giving it a whistle effect and cozing more drag in the pipes. You willhave nice constant irratating turbo whistle and going no where fast.
    "The value of life can be measured by how many times your soul has been deeply stirred." Soichiro Honda

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    Levin bro,

    I got 2 advices for you.

    1- Go to Universal silencer behind British coucil. He can help u a lot and even make a custom muffler as per your specs.

    2- Check the setups I have suggetsted. They are both straight-through. U can find the middle muffler of any other car which suits the underside of ur car.


    Corolla 4age20v Exhaust redesign -736647


    Corolla 4age20v Exhaust redesign -736648
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    hello form exast xpert....
    kiya exaust pipe change krny say low rpm per zyada torque mil sakta ha??????

    if yes

    then small engines like 1000cc and 1300cc ma low rpm ma torque increase krna ho to kiya krna chiya..
    -

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    Default

    @levin
    i was talking abt this

    Corolla 4age20v Exhaust redesign -739557



    and what abt this ?
    Corolla 4age20v Exhaust redesign -739558



    @racerf1
    please tell me abt dual canister exhaust which i have posted above that can i make this from local silencer shop?..
    Honda Civic 99 EK Hatch / Honda Integra 92 DA Coupe
    RIP Adil( @AridSoul)

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