Root
Member
Registered: 28th Dec 08
User status: Offline
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I tried fitting a £60 universal filter (HAH...universal my backside). It's bodged on, just want to see if my standard derestricted & drilled makes a nicer noise.
Took the pipe out that looks like a shaft of a penie.
Tried taking the side bit off and it's REALLY stuck on, then I found a guide on how to do it, but the airbox on there was different to mine so I'm wondering if mine is from another vauxhall. Here's a pic:
Cheers lads 
[Edited on 13-03-2009 by Root]
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FAZ
Premium Member
Registered: 24th Nov 07
Location: Coventry
User status: Offline
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heres one from a few days back on drilling the airbox (wing side and underneath only - not engine side as this will suck in hot air from the enfine (not good)), first stage, second is to de-restrict it by removing any piping from inside the box and thrid (if u wish) putting a new panel filter, i have a k & n one
http://www.corsasport.co.uk/board/viewthread.php?tid=486671
heres a tutorial that may help
http://www.corsasport.co.uk/board/viewthread.php?tid=225944
faz xx
[Edited on 13-03-2009 by FAZ]
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Root
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Registered: 28th Dec 08
User status: Offline
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I'm just wondering why my filter is different to others I have seen on here.
It's exactly the same one as in my Haynes service manual and my Haynes modding guide but different to the one all you guys keep showing me.
Look at my airbox, is it derestricted fully now except drilling?
I know what side to drill on.
Cheers faz.
[edit]
lmfao, just seen your drilled airbox, 
I don't have a drill that big. Might make 4 holes at corners then butcher it out.
[Edited on 13-03-2009 by Root]
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FAZ
Premium Member
Registered: 24th Nov 07
Location: Coventry
User status: Offline
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yes its derestricted,
how is your filter different?
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Root
Member
Registered: 28th Dec 08
User status: Offline
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Other people's don't have that red panel I see in mine and also, other's have a pipe in there...I didn't find one, unless somebody before me, took it out..
[Edited on 13-03-2009 by Root]
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FAZ
Premium Member
Registered: 24th Nov 07
Location: Coventry
User status: Offline
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take the red panel out somwhow, that will restrict the airflow to the filter, didnt see it when i looked first sorry
yea i had small hole in mine, made the exhaust raspy, put got bigger ones put in, still not a low enough rumble for me so pretty much just cut the side out, fitted some cold air feeds and wot not and was away
have a janspeed back box so was v nice sound, uy got a back box? system?
[Edited on 13-03-2009 by FAZ]
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Root
Member
Registered: 28th Dec 08
User status: Offline
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OK, I'll try snap it off, lol.
Nah, this is my first engine mod.
Except this, I've just calibra seats, debadged, sunstrip, sound system, central locking, alarm.
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FAZ
Premium Member
Registered: 24th Nov 07
Location: Coventry
User status: Offline
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they say you wont have any noticeable difference without an exhaust mod, but it may as well be done in my opinion
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Root
Member
Registered: 28th Dec 08
User status: Offline
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well, it sounds better so why not?
[edit]
just took her out for a test spin. About the same noise as my air filter I paid £60 for. Lower rumble with the filter at higher revs.
The derestricted & drilled standard DEFINITELY has better throttle response though! Without a single doubt.
Cheers lads.
[Edited on 13-03-2009 by Root]
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