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Thread: De-restrict airbox and Vectra C Pipe Questions

  
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    De-restrict airbox and Vectra C Pipe Questions

    Hi guys, had my 2004 1.8 coupe for 6 months now, havnt done any engine mods at all.

    I was thinking about de-restricting the airbox, panel filter and fitting a vecta intake pipe.

    Now, i know very little about engines so bear with me. . .


    Is it ok to start ripping parts out of the airbox? I mean, its there for a reason to begin with, no?
    I dont want to start messing things up. Is this mod likely to come back to bite me in the ass?

    Second, where can i get the intake pipe online?

    Thirdly, ive heard the VXR pipe is also good, which one is best?

    Fourth, and last question, will doing these mods change the tone of the engine at all?


    Many thanks, sorry for the dumbass questions.

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    Yep, but if i remember right don't get carried away with the ebay item,they end up going for too much money.
    Get the parts from Vauxhalls, and asks for a discount, the part numbers are 9177099 and 9177104.and only about £23.00
    Follow the instructions in How To.(its a DIY fit)

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    yea with the delivery on that your better of just buying it from vauxhall or its 17.50 from courtenay(not sure on delivery)

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    Quote Originally Posted by mfivebmw View Post
    Get the parts from Vauxhalls, and asks for a discount, the part numbers are 9177099 and 9177104.and only about £23.00
    Follow the instructions in How To.(its a DIY fit)

    They are only about £13 retail !!! Just get it from the dealers using the part numbers above - about the only time Vauxhall will NOT rip u off compared to ebay!

    Stick with the Vectra pipes as these fit the mk4 a lot better. The VXR pipes are best left for mk5 owners.

    The pipes are there for several namby pamby reasons that manufactures like to achieve - for the driver tho, these are best removed - youll achieve a much better flow of air and the throttle response will be increased.

    Its personal preference whether u fit an uprated filter £30-70 or just a new paper filter every 6months or so (£3+) would be my personal choice. Each to their own though.

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    http://www.courtenaysport.co.uk/inde...d&productId=27

    So this is what i need? Anything else?

    Clips etc? Any extra fittings?

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    why do they put them in? what are the namby reasons?

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    From what i understand its to make the engine slightly quieter and reduce performance to an extent . . .

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    They are just there to improve fuel economy really, the same with the smaller intake pipe.
    Number 365 VXR

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    Quote Originally Posted by SickChild View Post
    http://www.courtenaysport.co.uk/inde...d&productId=27

    So this is what i need? Anything else?

    Clips etc? Any extra fittings?
    Nah - it should just slot in place of the existing pipe - some owners have it held in place with self tappers.

    If you read the How-To all info is contained in there....can be found in the main How-To forums or here if ur feeling particularly lazy: http://www.astraownersclub.com/docum...ectra-pipe.pdf

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