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  #1  
Old 03-27-2016, 02:52 AM
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Default time to cut up this car

I can't make my box with much depth. I'm limited to about 13 inches max. Because of that I make my boxes as tall and wide as possible but that probably keeps some bass from going into my cabin from the trunk.
I was looking inside my trunk for ideas on how to fix my problem and I noticed I the empty area between my rear speakers that has the large "X" stamped on it. It's about 10"x10".
If I cut that section out, do you guys think it will be noticeably louder (more spl)?
The rear deck plastic cover looks like a large speaker grill from one side to the other. I can drill out all of the little holes on the middle area so it's open on the part that I cut the sheet metal out and the bass could get through.
What about just removing the 6x9 speakers to create openings to allow bass to get though?

What about cutting the 10"x10" section out and taking out the rear speakers? Has anyone done this or something similar with a regular ported box? This is what I'm working with



Last edited by lalojamesliz; 03-27-2016 at 02:56 AM.
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Old 03-27-2016, 03:12 AM
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its possible you can gain a bit from allowing more free flowing air but you'll loose rigidity at the same time. the stamped x is pressed to give the sheet metal integrity
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Old 03-27-2016, 03:56 AM
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Is that a camry
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Old 03-27-2016, 04:18 AM
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I'd try taking the 6x9"s out first to see if there's much difference. Lots of people have cut their rear deck of removed it completely (mine is all gone), but it's not something you can easily fix or explain if you plan to sell in the future. The rear deck on a unibody is typically load-carrying, so it will reduce your safety in a crash and could possible change the suspension geometry if you cut too much away.
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Old 03-27-2016, 07:56 AM
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Cutting just that X out will do nothing to the structural integrity of the rear of the car (nothing noticeable anyways). That verticals portion with the carpet on it, that's what really holds the rear of the car together since it ties the 2 strut towers in

I cut 100% of the rear deck out of my accord and it drove like a wet noodle. I put a 4th order in that took 4 people to push it between the strut towers and the car felt like I never cut anything out of it. Without the box though, it literally felt like I was driving a cooked ramen noodle
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Old 03-27-2016, 09:36 AM
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Quote:
Originally Posted by doug118 View Post
Cutting just that X out will do nothing to the structural integrity of the rear of the car (nothing noticeable anyways). That verticals portion with the carpet on it, that's what really holds the rear of the car together since it ties the 2 strut towers in

I cut 100% of the rear deck out of my accord and it drove like a wet noodle. I put a 4th order in that took 4 people to push it between the strut towers and the car felt like I never cut anything out of it. Without the box though, it literally felt like I was driving a cooked ramen noodle
I forgot to mention that I was going to make a "X" out of some 3/8" rebar that I have and weld that on carefully but I didn't think about the vertical area
I'll see about doing that "X"

Last edited by lalojamesliz; 03-27-2016 at 09:50 AM.
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Old 03-27-2016, 09:37 AM
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Quote:
Originally Posted by graham View Post
Is that a camry
No, It's a 2014 Avalon
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Old 03-27-2016, 10:02 AM
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Quote:
Originally Posted by lalojamesliz View Post
I forgot to mention that I was going to make a "X" out of some 3/8" rebar that I have and weld that on carefully but I didn't think about the vertical area
I'll see about doing that "X"
Don't bother welding anything back in there. You're not building a race car. Cut the square out if you think it'll make a difference and be done with it. Just cut it very cleanly that way it looks factory in case anyone looks up there
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Old 03-27-2016, 10:17 AM
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Quote:
Originally Posted by doug118 View Post
Don't bother welding anything back in there. You're not building a race car. Cut the square out if you think it'll make a difference and be done with it. Just cut it very cleanly that way it looks factory in case anyone looks up there
Will do
My previous car was a 07 camry. Before I finally ended up with a sundown 12" z4 I tried so many other subs and I even cut out a 10" hole in my rear deck in the same area as this car so i could install a 10" image dynamics free air sub. I didn't like the output so i carefully welded the piece back on and cleaned the area then painted it and did the best job i could. When i traded that car in for my current avalon, I took it to a dealer and when the guy was inspecting it for trade in I was a bit nervous but he didn't find anything
I also changed the white led's on the dash guages and the radio to blue. he either liked the new color or didn't notice
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Old 03-27-2016, 11:12 AM
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Quote:
Originally Posted by doug118 View Post
I cut 100% of the rear deck out of my accord and it drove like a wet noodle.
lolwut

not sure why i find this so funny... do tell more, what does it feel like driving a wet noodle? I guess driving a full size truck with a solid frame doesnt give me much experience lol
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