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Thread: 2004 decat pipe.

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    Default 2004 decat pipe.

    I been looking at a new exhaust system for my car. The flexi section had since gone on the car. If I was to get a new flexi section with extended pipe to bypass the cat. How would this be come mot time. Will I have to get cat put back on for the mot. I seen the pipe from mij.

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    Vehicle : Lada

    Trim : Riva

    Engine : 6.0 V12

    Year : 1954

    Mileage : 567890987

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    Petrol or Derv?

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    Sorry I should have said its a vectra c 3.2 gsi petrol

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    Well i have spoken to a few people and from what they have said. i should remove the main cat and should be fine with a bipass pipe due to the GSI haveing pre cats on the manifolds...

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    Leave the precats there. The last cat you do not need for a mot.

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    Cheers for the reply. Ordered the bi pass pipe for the main cat.

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    It helps them breath alot better, much better for top end. You should notice the difference

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    I ordered the part. Still geting a few people saying that the car won't pass the not when it's due.
    suppose only time will tell

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    Depends on MOT tester, if you know him he will take a reading from another car with a cat

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    Well I could do that. Maybe I should replace the flexi section and leave the main cat alone.
    dont want the hassle of keep puting a cat back in every year.

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