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Thread: Quick exhaust question

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    Default Quick exhaust question

    Hey guys,

    I just picked up a VR 5L Ute and was wondering what the law is with the exhaust dumped at the diff (previous owner did it).

    I have heard that the exhaust must be behind the rear most opening window in a sedan but am unsure about utes. I have also heard that it must be behind the diff on a Ute so i may have already answered my own question.

    Can anyone clear it up for me? Would it pass a roadworthy with the current exhaust setup?

    Cheers guys


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    soop is offline Banned
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    It wont pass roadworthy, because the exhaust must exit from under the car. I can come out infront of the rear wheel with the utes, but it must exit.

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    soop is offline Banned
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    Kudo's for asking a different exhaust question. It was 50/50 whether or not you were going to loose your head LOL!

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    Quote Originally Posted by soop View Post
    Kudo's for asking a different exhaust question. It was 50/50 whether or not you were going to loose your head LOL!
    I'm a bit slow today and a bit unsure as to what you mean sorry?


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    Haha, there's 50,000 exhaust threads asking the same damn thing (What size ect ect). I've been getting sick of seeing them

    Yours is different for a change!
    10pts to you.

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    plus ill give him 10 points as well soop lol . it is diff from the same old same old lol
    Quote Originally Posted by soop View Post
    Haha, there's 50,000 exhaust threads asking the same damn thing (What size ect ect). I've been getting sick of seeing them

    Yours is different for a change!
    10pts to you.
    We ALL HAVE 1 THING IN COMMON:THE RELENTLESS PURSUIT OF GRIP

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    Quote Originally Posted by soop View Post
    I can come out infront of the rear wheel with the utes
    Ahhh watch out, soop's hiding under cars
    Best RPG ever
    !

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    Ummm....that is not actually correct as far as Commodore utes are concerned.

    An exhaust must exit past the rear most welded body seam, as the tub and the body are a continuous panel, the rear most seam is at the rear of the vehicle, so the exhaust must exit at the rear.
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    Quote Originally Posted by Not_An_Abba_Fan View Post
    Ummm....that is not actually correct as far as Commodore utes are concerned.

    An exhaust must exit past the rear most welded body seam, as the tub and the body are a continuous panel, the rear most seam is at the rear of the vehicle, so the exhaust must exit at the rear.
    So in theory a Ford ute for example could be dumped behind the cabin? or would the tub count as a "body seam"?

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    As a Ford ute has the tub and cab separate, technically it can exit out the side in front of the wheel, but as it is not really a commercial vehicle it has to exit after the rear axle.
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    Quote Originally Posted by DannyboyDS View Post
    I burnt my hand in a nasty way once using method one but thats because i'm a twat.

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    Fair cop.
    So for 1tonners what I said applies ( which is probably why I've only ever seen one tonners with this applied.)
    They must have changed the laws, or it might be different from state to state. In Victoria is used to be Xmm from the last opening of the vehicle.
    I.e door or window. Which is how coupe's used to get away with sidepipes. (LOONG Time ago).


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    soop hiding? nah hes always out there for the masses....heS a good bloke old soop( j/c would be lost without him......soop for victorian prem,,hed do better than brumby and that new dude...as thay youngens say(SOOP ISDA MAN)
    Quote Originally Posted by 2DIE View Post
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    Quote Originally Posted by soop View Post
    Fair cop.
    So for 1tonners what I said applies ( which is probably why I've only ever seen one tonners with this applied.)
    They must have changed the laws, or it might be different from state to state. In Victoria is used to be Xmm from the last opening of the vehicle.
    I.e door or window. Which is how coupe's used to get away with sidepipes. (LOONG Time ago).

    And yes, I am hiding under your car....and you bed.
    Interesting info at the start, last part is just creepy.....

    Spoke to another mechanic today and he claims I will get away with a dump pipe straight to the ground just after the diff. I will probably bang on another exhaust out the back of the vehicle anyway.

    What are the reasons behind a dumped exhaust being illegal? Is it because the fumes may find its way back into the cab somehow or am i missing other reasons completely?


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    That and its a fire hazzard and loud as hell.

    $50 you wont get away with the dumped exhaust too.

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    Quote Originally Posted by soop View Post
    That and its a fire hazzard and loud as hell.

    $50 you wont get away with the dumped exhaust too.
    I doubt my chances also.

    The dog will be flying high if the fumes come through the tray! Didn't think of that either.......


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    My vl had a 307 and was dumped after the diff in Qld never again way to loud

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    dont wanna kill the dog ( or get him buzzing)
    Quote Originally Posted by CustomCruising View Post
    I doubt my chances also.

    The dog will be flying high if the fumes come through the tray! Didn't think of that either.......
    you dont want to look out the back window and see 4 stiff paws skyward bound lol RSPCA will be right onto you...lol cheeers
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    Quote Originally Posted by justbad4you View Post
    dont wanna kill the dog ( or get him buzzing) you dont want to look out the back window and see 4 stiff paws skyward bound lol RSPCA will be right onto you...lol cheeers

    It shouldn't be a problem getting him to the vet anymore

    OT picking up a new exhaust this weekend therefore the above issue will be no more!!


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    funny pic lol.
    Quote Originally Posted by CustomCruising View Post

    It shouldn't be a problem getting him to the vet anymore

    OT picking up a new exhaust this weekend therefore the above issue will be no more!!
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