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Thread: de-cat info

  1. #1
    Regular Member chris1804's Avatar
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    Default de-cat info

    going to get my 2.0dti de-cated . i need some info beofre i get it done tho

    1 will it pass MOT
    2 will get get any errors on the dash?
    3 what bhp will it give me

  2. #2
    Regular Member Aikon58's Avatar
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    Quote Originally Posted by chris1804 View Post
    going to get my 2.0dti de-cated . i need some info beofre i get it done tho

    1 will it pass MOT
    2 will get get any errors on the dash?
    3 what bhp will it give me
    1-Yes it will
    2-No sensor on the downpipe,no sensor,no error codes
    3-I put my 2.2 dti on the rolling road,and with the insides of the cat removed and the insides of the rear exhaust box removed and a k+n panel filter fitted,it read 150bhp,instead of 127bhp,so at a guess i would say 10-15 bhp,unless the rolling road was wrong.

  3. #3
    Regular Member chris1804's Avatar
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    Quote Originally Posted by Aikon58 View Post
    1-Yes it will
    2-No sensor on the downpipe,no sensor,no error codes
    3-I put my 2.2 dti on the rolling road,and with the insides of the cat removed and the insides of the rear exhaust box removed and a k+n panel filter fitted,it read 150bhp,instead of 127bhp,so at a guess i would say 10-15 bhp,unless the rolling road was wrong.

    sorted gonna get it done then i wouldnt mind 10bhp rise

  4. #4
    Regular Member Aikon58's Avatar
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    Quote Originally Posted by chris1804 View Post
    sorted gonna get it done then i wouldnt mind 10bhp rise
    If it gives more power or not Chris,it won't hurt to do it.
    The car will breathe easier,so will pick up quicker,and the hot exhaust gases can escape quicker,rather than hang around the turbo.

  5. #5
    Regular Member chris1804's Avatar
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    how did you remove the insides of the rear box? also what does that do lets more air out?

  6. #6
    Regular Member Aikon58's Avatar
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    Quote Originally Posted by chris1804 View Post
    how did you remove the insides of the rear box? also what does that do lets more air out?
    I had to get it plasma cut open and rewelded up,it was in a stainless steel backbox.
    I wanted to remove any exhaust gas restriction,although i did leave the middle box standard.
    The idea is to get the fumes out quicker,turbo cars don't need the same back pressure a naturally aspirated car needs.

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    Regular Member peadar's Avatar
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    Aikon58 was there much more noise with the stuffing out off the back box

  8. #8
    Regular Member Aikon58's Avatar
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    Quote Originally Posted by peadar View Post
    Aikon58 was there much more noise with the stuffing out off the back box
    Only with the tailgate not shut properly,it was on my vectra b estate i had,and i must admit,it was a nice noise with the tailgate half shut
    But not a loud noise like you think it's going to sound,more turbo whistle coming down the exhaust,but a deeper turbo noise

  9. #9
    Regular Member chris1804's Avatar
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    just gave mij's a ring, 2 months ago they said £35, now its £45 , i said i want to keep my cat aswell, in that case sir its £65,,, yea right, is it a case of just vutting the cat off and putting a steel replacement pipe in and weld it?

  10. #10
    Regular Member DAVIDD88's Avatar
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    yes but they might set it up so u can take decat pipe off and bolt cat on when u want mate

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