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Old 07-06-2013, 01:28 PM   #1
gunz4me
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Member#: 305130
Join Date: Dec 2011
Chapter/Region: South East
Location: LFT
Vehicle:
2012 WRX
Satin White Pearl

Default 2012 WRX Sedan sub enclosure airspace questino

I was just wondering if anyone could give me a guestimate of what kind of airspace I could get by removing the spare tire and making a glass enclosure where the spare tire used to be. My initial measurements show that I should have close to enough airspace and depth for a 13w3v3, sealed.

I just want to double check before I get started. I'm sure this won't be the last time I mess this up.

So to recap, I want to pull the spare in a 2012 WRX, build a fiberglass tub with either a MDF or Birch flat pieces and top, then put a 13w3v3 sealed which requires 1.75 cubic feet of airspace net. I'm also considering a ported 12, possibly the 12w3v3 or even the 10w3v3. The end goal is to obtain a more linear response than I am getting from my ported Digital Designs 1508.
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Old 07-06-2013, 02:02 PM   #2
wrxeter
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Chapter/Region: SCIC
Location: IE
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2013 WRX SE
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Fill a 1.75cu ft box with styrofoam peanuts then dump it into the wheel well.

That should give you a pretty good ballpark of how much airspace you are working with.
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Old 07-07-2013, 05:19 PM   #3
sultan81
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OBP

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Foam peanuts will sound like ****. Put some cotton in there.
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Old 07-07-2013, 09:43 PM   #4
T_Racer69
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Join Date: Aug 2008
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Sonic Yellow

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Lol he isn't leaving the peanuts in. Just for checking volume.
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Old 07-08-2013, 10:10 PM   #5
gunz4me
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Member#: 305130
Join Date: Dec 2011
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Satin White Pearl

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This is going to be a winter project anyway, assuming I don't just get another car.
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Old 07-10-2013, 10:15 PM   #6
ignito
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i believe you'll more then struggle to get anywhere near 1.75 cubic feet of airspace without raising the boot floor height considerably. You'll probably need to look for something that will play in around 1cuft

however as suggested, try out the foam thing and see how you go
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