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Thread: should i run a high flow cat?

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    fkford is offline Love The Beast!
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    Default should i run a high flow cat?

    hey all,

    Iv got a VS ecotec which is relatively stock with CAI, tune and catback. I recently bought lukey extractors and a high flow cat second hand and i am just wondering as to wether i should run the high flow cat or not when i install my extractors. Iv been told you should only run a high flow cat on fairly modified cars?

    in a nut shell, should i run a high flow cat or just leave the stock one on? cheers

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    acarmody is offline Donati..Whoa Green
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    Well if you have it then why not install it? It certainly won't have any negative effects, unless its been dented/damaged in any way.
    -Democracy must be something more than two wolves and a sheep voting on what to have for dinner.
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    Just stick it on.
    I wouldn't go out of my way to buy one for a mildly modified car though

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    fkford is offline Love The Beast!
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    mm ok, so i wont loose to much back pressure resulting in it being slower? thats what iv been told...

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    Correct me if I'm wrong someone but I swore I saw Not an Abba Fan say in a previous post in another thread that a higher flow cat on a V6 is very unecessary and doesn't help performance or sound. I thought it might negatively affect it.

    Thats all my memory can serve...

    Hopefully Not An Abba Fan can expand or tell me if I'm daydreaming....
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    i got a highflow on mine and i did notice better response and bit more sound, thats with nearly every bolt on mod you can get tho

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    Default gutter the cat??

    Just wondering if you can take the guts out of cat???
    Will it work on a positive note?

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    Quote Originally Posted by 11gothevt11 View Post
    Just wondering if you can take the guts out of cat???
    Will it work on a positive note?
    no it wont, it will sound shitty and tinny, theres also a massive fine, not worth it at all

    Edit: You just asked one of the most Hated/Annoying/Stupid questions on here, prepare to get flamed

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    Quote Originally Posted by skyracer View Post
    On new years eve I got stopped by a pack of about 5 people forming a road block. All of them naked. They proceeded to turkey slap my car as I rolled past...

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    Quote Originally Posted by fkford View Post
    hmmmm,,, damnit need a straight answer

    Quote Originally Posted by wraith View Post
    You will be fine. You got it so why not use it.
    thats your answer right there

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    Quote Originally Posted by skyracer View Post
    On new years eve I got stopped by a pack of about 5 people forming a road block. All of them naked. They proceeded to turkey slap my car as I rolled past...

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    Quote Originally Posted by 11gothevt11 View Post
    Just wondering if you can take the guts out of cat???
    Will it work on a positive note?

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    Quote Originally Posted by 11gothevt11 View Post
    Just wondering if you can take the guts out of cat???
    Will it work on a positive note?
    what a homo idea. The Cat is there for a reason!!!!
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    acarmody is offline Donati..Whoa Green
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    OMG its starting, run for cover.
    -Democracy must be something more than two wolves and a sheep voting on what to have for dinner.
    James Bovard, Civil Libertarian (1994)
    -Giving money and power to government is like giving whiskey and car keys to teenage boys.
    P.J. O'Rourke, Civil Libertarian
    -Government's view of the economy could be summed up in a few short Phrases: If it moves, tax it. If it keeps moving, regulate it. And if it stops moving, subsidize it.
    Ronald Reagan (1986)

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    Quote Originally Posted by acarmody View Post
    OMG its starting, run for cover.
    Its only a matter of time in every thread till it happens lol

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    "Today on Bush-mechanics, how to fully-sik hektic gut your cat"
    Step1. Find a cat (the one on your car)
    Step2. Get a pole
    Step3. Smash teh guts outta it,
    Step4. Go cruising wif da boys
    Step5. Realise your car smells like rotten eggs
    Step6. Trying to explain to mummy why she has a $10,000 EPA fine on her car.
    Step7.....................your doing it wrong.

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    Way to go for sure, better flow & performance not to mention improved economy

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    fkford is offline Love The Beast!
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    no worries fellas cheers! im going to run it and ill report back once i have.. gutting the cat lol a mate once did it in this banged up lump of sht paddock bomb VP .. trust me it sounds a mess

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    dont run a cat at all if u have the right exaust it sounds good. mine passed roadworthy without one so cops will never find out

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    Quote Originally Posted by 96ute View Post
    dont run a cat at all if u have the right exaust it sounds good. mine passed roadworthy without one so cops will never find out
    you better have the lube ready for when a switched on cop pulls you up.

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    Quote Originally Posted by 96ute View Post
    dont run a cat at all if u have the right exaust it sounds good. mine passed roadworthy without one so cops will never find out
    Prepare to be flamed

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    Quote Originally Posted by 96ute View Post
    dont run a cat at all if u have the right exaust it sounds good. mine passed roadworthy without one so cops will never find out



    Yep, sounds like a REAL legit roadworthy you had done there.

    Don't try and tell us it was either, even if he meant to legitimately do your roadworthy, your mechanic or whoever did it obviously shouldn't even own a toolbox. Any DECENT mechanic who does a roadworthy needs to look at the exhaust, listen etc.

    If QLD's version of Vicroads whatever that may be, or the cops find it etc, your mechanic or whoever did the RWC could get a MASSIVE fine.
    Quote Originally Posted by wikky
    As already stated, mate you're an absolute gherkin strummer.

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    Quote Originally Posted by jokerflingo View Post
    Prepare to be flamed
    Quote Originally Posted by Cobez View Post
    Yep, sounds like a REAL legit roadworthy you had done there.

    Don't try and tell us it was either, even if he meant to legitimately do your roadworthy, your mechanic or whoever did it obviously shouldn't even own a toolbox. Any DECENT mechanic who does a roadworthy needs to look at the exhaust, listen etc.

    If QLD's version of Vicroads whatever that may be, or the cops find it etc, your mechanic or whoever did the RWC could get a MASSIVE fine.
    Told ya so

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