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Thread: emissions test and decats

  
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    emissions test and decats

    had a nosey about at my car there and have found that the pre cat is there but the main cat has been removed and is just a straight pipe from the flexi.

    anyone done an emissions test on a z20let with just a pre cat on it? not sure if its going to pass an emissions test as it is or if im going to need to put a cat on it.

    if i need to put a cat on whats the best sport cat to fit and where should i get it from?

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    Heard some mixed stories about the Cobra sports cats mate and whether or not they will pass the MOT etc. Some people have had them on and still it failed.

    Depending what power you are going for I would either just get a standard cat section from a GSI turbo or a VXR or summin or failing that get a well known one such as Milltek, Scorpion, Piper or summin like that!
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    Just give the tester a 20 and I'm sure it'll pass.....

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    Quote Originally Posted by Coupe2T View Post
    Heard some mixed stories about the Cobra sports cats mate and whether or not they will pass the MOT etc. Some people have had them on and still it failed.

    Depending what power you are going for I would either just get a standard cat section from a GSI turbo or a VXR or summin or failing that get a well known one such as Milltek, Scorpion, Piper or summin like that!
    hmmm thats not good.

    any idea if just the pre cat is enough for it to pass?

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    just went into my old work and put the car on the emissions tester, it passed the emissions test no bother. was expecting it to be thru the roof with the main cat taken out. happy days.

    anyone know whats more restrictive? the main cat or the pre cat?

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