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Thread: The airbox mod?

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    Regular Member Matty H's Avatar
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    Default The airbox mod?

    A question. What's the downside? Vx didn't put that piece of plastic int here by accident. It's there for a reason, so what are you putting at risk by taking it out? There's bound to be something.

    I did the mod earlier and drove home from work like it. I can honestly say I can't notice any difference whatsoever. Is there any proof that taking that bit of plastic out does make any difference at all to acceleration or response? Because I can't notice anything. In fact I put it back in when I got home

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    i think it is there to help keep the noise down, and i can say i noticed a difference right away after taking it out, the flat spot had gone completely and it sounded a lot nicer

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    Regular Member Matty H's Avatar
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    Quote Originally Posted by tekkie View Post
    i think it is there to help keep the noise down, and i can say i noticed a difference right away after taking it out, the flat spot had gone completely and it sounded a lot nicer
    I also noticed no difference in sound whatsoever either. Maybe it's engine sensitive? I am driving a 2.2 direct petrol

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    Regular Member BlueRob's Avatar
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    Nop mate....I think you wont feel any difference....its just makes the path of the air shorter and more direct....and a little bit less warm.

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    Regular Member lofty's Avatar
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    I done it on my black SRi and I'm sure it made it more responsive in lower revs..What engine do you have as mine was (and is) a 1.9 cdti 150

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    Regular Member glenboy's Avatar
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    Quote Originally Posted by Matty H View Post
    I am driving a 2.2 direct petrol
    Think he's driving a 2.2.....

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    Regular Member kpf1grandprix's Avatar
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    Quote Originally Posted by glenboy View Post
    Think he's driving a 2.2.....

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    Regular Member lofty's Avatar
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    must read posts in full...need sleep..

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    Regular Member sparky71a's Avatar
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    Ok,well i picked up my second 2.2 direct yesterday,and whipped it out as soon as i got the car home,whilst i placed my BMC air filter in

    Blue Rob is right in his description of what it does,however in doing so it concentrates the suction to one particular area of the filter,infact the paper thing i took out yeaterday is a prime example and tommorow i'll get some pics up for you to see what i mean,anything up to 60% of the filter is still reasonably clean,with a dark dirty,and of course an air restrictive area very visible,as a result of this 'piece of plastic'.
    This suggests that the spread of suction across the filter is being restricted,taking it out increases the area of the filter used,and unless i can be shot down in flames by any expert on here who knows better,I would say that this should well assist with the removal of flat spots.If only they have occured as the engine has had to use a a small area getting increasingly full of muck,removing the plastic insert now enables the engine to draw on more of the 'unused' filter,taking the flat spots away,and giving a good impression of increased throttle response.
    I'd say ditch the plastic BIT !!! lol and whilst at it only run a 2.2 on Castrol Sport synthetic oil,with iridium plugs,and Shell V power in the tank,with of course a darn good air filter.If a driver doesn't notice the difference then,he must be one of the walking dead!

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    Full Member Big Sig's Avatar
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    I noticed it picked up slightly better from low revs. I think its in there for emmissions tests. It restricts the air flow into the box. TBH if you noticed no difference, why go to the trouble of putting it back? Seems like work for nothing.....
    Now I need a turbo to keep up!

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