Cone filter into gutted air box? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 06-04-2009, 08:59 PM   #1
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Default Cone filter into gutted air box?

So to start a new thread: Cone filter, stock air box.

Can it be done? Nighthwk12 says a new tube would have to be fabricated. Anyone care to explain?

What is the difference between using the stock, gutted air box and making your own airbox for the cone filter? Better airflow, any performance increase?
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Old 06-04-2009, 10:07 PM   #2
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The cone filter needs something to mount to. So you will need some kind of tube.
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Old 06-04-2009, 10:45 PM   #3
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I suppose you could buy a mounting flange and attach it in the stock box but it hardly seems worth it. all that work when you could do as dan said and get a tube
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Old 06-04-2009, 10:53 PM   #4
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It'* much easier just to drop a K&N flat filter in. Your are not going to get any better performance from a cone filter.
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Old 06-04-2009, 11:01 PM   #5
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Quote:
Originally Posted by Purplehazeir View Post
It'* much easier just to drop a K&N flat filter in. Your are not going to get any better performance from a cone filter.
After gutting it, right?

And if so why is everyone all up on cone filters? I have a friend who gets pretty worked up about the cone shape being so much more superior of a filter.
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Old 06-04-2009, 11:06 PM   #6
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You can get more surface area with a cone filter. How ever your limited on the size you can fit in a gutted air box. I built my own box so I was able to fit a 9" cone.
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Old 06-04-2009, 11:20 PM   #7
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Okay so now I am confused.

If purple is right that a cone filter doesn't give better performance, what does more surface area give? I thought that was why a flat filter gets replaced with a cone filter...
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Old 06-04-2009, 11:23 PM   #8
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Any cone filter that will fit in side a gutted box will be no larger then a flat filter, so no real improvement. There are larger cone filters though. More surface area dosen't mean better performance. It means more area to collect dirt.
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Old 06-05-2009, 12:18 AM   #9
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Ah I see now, thank you for the explanation.

Okay, I think I'm just going to gut my box and replace the filter for now, K&N of course, and I'll leave making a custom airbox for another project. What is the particular type/name of filter the goes in the air box so I know which to pick out at the store? (I assume there'* more than one air filter)

And since I'm already replacing my oil/fuel filters this week, and gutting the air box and replacing the filter seems like an an easy 30 minute job, what other replaceable filters in my car could I replace? So far the search button has only come up with cabin filter.

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Old 06-05-2009, 01:06 AM   #10
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can do a trans filter and fluid change. Go on an advance or autozone site or to the store and K&N makes a drop in panel for our cars so can get the part number there or here K&N number 33-2086 it'* about $67 at advance.
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