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Thread: K&N noise?!

  1. #1
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    Default K&N noise?!

    Hi all,

    Ive been modding and racing cars for years now - but I put a K&N 57i open cone on my 2009 Veccy SRI 1.9 cdti.

    Its fine and responsive, but makes a horrid suction noise like a loose hose? Not the usual induction growl I remember?

    It may just be me used to owning performance cars with full system exhausts etc. Just thought id do something to the Veccy so its not totally mundain! haha!

    Is this a normal noise? or have I missed off a crank breather hose which needs a filter too or anything?

    Thanks for the help,

    Andy

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    Regular Member J P S's Avatar
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    Vehicle : 2007 1.9cdti sri 150 estate

    Trim : sri

    Engine : 1.9cdti 150

    Year : 2007

    Default

    ok i may be way off here but the old vectra (b) i had used to pulse the air in iirc so 57i could sound like a tractor. could be the same system here maybe

    panel filters seem to be more popular or something like the venom i had on my b?

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    Hi

    Any reason why you have added a cone filter to a Diesel other than hearing even more rumble?

    Tatters40
    Ex Audi Sport Diesel Technologist

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    Regular Member Даниил's Avatar
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    Vehicle : Vectra C

    Trim : sri nav/Elite

    Engine : CDTI 150

    Year : 56

    Mileage : 130ish

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    i had a 57i on my cdti i know what sucking noise you mean its a loud but non throaty sucking noise but you get nice turbo noises. i took mine off in the end as the vibrations from the engine damaged it.

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    Year : 06

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    Don't put a cone on a cdti there awfull and unless it's in a box of somesort ya going to suck warm air best thing to do I've got a roar on my cdti 150 I've done air box mod and removed the front funnel on the air box this give a nice deep sound like a rumble

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    Regular Member Даниил's Avatar
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    Vehicle : Vectra C

    Trim : sri nav/Elite

    Engine : CDTI 150

    Year : 56

    Mileage : 130ish

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    too late mark we have done it and paid the price lol

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    Marc, do you have a piccy of this air box mod?

    I put it on as i hate the fact of having a totally standard car! But its just the daily drive and tow car for my race cupra. So its defo the K&N thats making the sucky noise - think its just amplified the turbo whisle but not a nice whisle!!

    id just like to have a bit of a different noise than the diesel splutter.

    Ill do the air box mod.................. is that like drilling the underside of the box?

    K&N 57i for sale 100 miles use! LOL!

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    Year : 06

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    Air box mod is open up the air filter and Ul see a trumpet kind of thing pull it hard and it will come off them the air intake that goes from the air filter to the front of the car remove that job done

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    Default

    that sounds simple enough - but then you dont have any air being fed into the air box at all? its just sucking in what ever it can find?!!

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    Year : 06

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    Quote Originally Posted by andylang
    that sounds simple enough - but then you dont have any air being fed into the air box at all? its just sucking in what ever it can find?!!
    No it don't mine more responsive with out it if u go in to tunning on forum there abit explaining it

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