Air box drilling

[gribsymk3]

I currenty have a KnN panel filter in my 8v and just wondered peoples opinions on weather its worth drilling the airbox? i did it on my mk2 and it sounded like a beast, should i be expecting the same sort of sound? does it decrease fuel economy?

[kells]

will make more noise but thats all it will do, oh and it will also let more dirt inside the box too

[gribsymk3]

cheers kells, yeah the letting the dirt in is the part im concerned about lol i dont know weather to do it??? if i drill less holes in it will it still sound the same or has it gotta be swiss cheesed

[saul79]

if you drill under the filter it cant suck no dirt up  :smiley:doesnt make really loud ,i took the extension piece out that goes to the inner wing instead off drilling holes ,didnt notice it much so i put a k&n on instead

[kells]

im more than happy with my K&n 57i, i know alot of people on here prefere the standard airbox and panel filter route but i personally dont see the point in it at all in terms of performance upgrade, i know a induction kit will not give a gain in bhp if we are all gonna be honest, but it did make my car run a hell of a lot better and it sounds great, and will last forever too.

just make sure you feed cold air to them and u cant go wrong..

[gribsymk3]

hmm might just have to try it and drill it out like the guide in the maintenence section.  i just dont want it sucking in crap or water, at least if i dont like it getting a new air box wont be hard

[Len]

Do it mate its worthwhile.

[gribsymk3]

come on len lets hear your reasons, where is it best to drill the holes? maybe wing side only?? how much louder does it sound to stock?

[Len]

Well first rolling road I ever went to with my Golf there was 2 other Mk3's there and both had drilled boxes. They both made better power than mine. (K&N cone) (although it wasnt set up right at the time!)

So I cant really say what the noise was like, but from a power point of view its definitely worth doing!
Yes I would do the wing side only. If you do the engine side you only draw in hot air.

[gribsymk3]

Cheers len, your rather helpful, i think its gotta be done then, drills at dawn on sataday