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Thread: airbox mod=less power!

  
  1. #1
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    airbox mod=less power!

    greetings people! i decided to derestrict the airbox on my mk3 sport estate only to find it only had one pipe that come out instead of the 3 pipes as in the pics off the how to, but i took it out anyway. when i took the motor for a spin it felt like it had less power so i put it back in and it was back to normal. weird!
    i,ve only had the car for a month,the crank sensor went two days after i got it and now after a week of the exhaust getting louder and louder, the backbox practically fell off today after splitting from the centre section.
    it,s still under warranty so back to the garage tommorow.(the second time in a month.) anyway i,m hoping to get a sports exhaust soon, any suggestions on which one?

    very loud 1.8 16v estate

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    mark-12's Avatar
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    ure mk3 is still under warranty? is that a grage warranty? power flow are loud, i have a cat back and it wakes the dead. magnex are meant to be quite nice as well. suprised about the airbox. ovbiously the genearl one is for the mk4, but still strange!
    Astra VXR in Star Silver - Officially the 2nd Rarest Colour

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    i had a peco on my Mk3 and it went well...
    Dont sound like uve had a v. good start to your ownership of it m8
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    yeah tell me about it, i get the car back tommorow hopefully all fixed.
    i was looking at peco`s i think i,ll go for one of them depending on price(it is an estate, probably more expensive)

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    PECO sounds like a bumblee bee in a tin car, very loud
    Gav Coup'e se2

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    got the motor back with a new back box and all quiet again.
    when it was blowing the car used to jerk when i come off the throttle or when i touched it again. the revs would go from 1000 to 1500 up and down as if i was reving it, only now and again when it was warm. i drove the car back tonight about ten miles and it didn,t jerk once, must have been cos the exhaust was blowing, something to do with a sensor maybe?
    oh well you learn something new every day

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