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is this ok to do ? I'm thinkin of doing on my 91 civic

www.youtube.com/watch?v=4_-Hu6jcUC8

 
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If Your thinking of doing this to Your Civic make sure You have a second air box

on hand from the wreckers yard, in case You don't like the

" Big Horsepower gains.."

 
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brags your being funny aint you ?

 
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thought i seen You grow some horns there for a moment i simply
suggested You get a second air box if You see no gains instead of being stuck
with a cut up one that You might not of liked is all... all i know is i wouldn't
cut / or bucher my air box on my Civic like that. "Look up K&N air filters if your looking for H.P gains

they will show You exactly what to expect as far as H.P gains right on there site."
on your civic i think i seen 4.8-5 horsepower gain.. performance filters usually
perform best at W.O.T driving around town in low rpm you may never notice
any difference on many oem factory air boxes they try to incorporate already
performance and fuel econo or in other words both of the best worlds.

have a look at some vids i found for You... cheers

http://www.knfilters.ca/?gclid=CNSMl...FQmFaQod1l4EYg

 
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have You decided on what your doing or getting 5hamers..?

 
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i cut some slots down the lower botom of the air box and its got more power..! you ota try it yourself

 
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Glad to see it worked for You ...! have pics.?

Just remember to keep the power washer away from the engine when

washing it ...Just Saying ...No Ofence.