Best way to get bass to pass into cabin from the trunk besides folding the rear seat backs down?

[Chef jpd]

Ok, finally got a pic of the modified seat latch.
It is now on top of the carpet with 3/4 inch spacers under it.
Enjoying much tighter and harder hitting bass.

20190926_194804 by chefjpd, on Flickr

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[Shane361]

Going to do any mids/highs? I'm currently changing mine up and going with JL Audio C2 Comps up front, removing center and door 3.5's. Going with JL Audio C2 Coax 6.5's in the rear deck with an LC7i and Jl Amp for mids/highs. Plenty of bass with my 12" Sundown and JL1000.

 

[FreePenguin]

I’m going to try this soon, do you notice the seats being down at all? The gap?

still glad you did it?

I don’t really know what a spacer is, can someone post a pic of what I should look for at Lowe’s, is it a bolt or cylinder or something?


The spacers are under the carpet correct, the brackets on top now?

 

[Chef jpd]

Spacer is here:
https://www.lowes.com/pd/Hillman-2-..._zxlUFPbDtK456exx9F2rAPaAV37wyMaArGAEALw_wcB#

it sounds great. Not very noticeable gap and the seatback is rock solid. No squeaks or rattles.

 

[FreePenguin]

When in passenger/driver and look back. You don’t even see a gap do ya?

 

[Chef jpd]

Not visible at all. And you could modify both rear seats if the OCD is acting up.

 

[FreePenguin]

Planning on doing both this week. Thanks!

 

[Chef jpd]

Fyi, the bolts required are M8-1.25, 60mm

 

[Andy13186]

Probably helps with exhaust sound too I would think.

 

[FreePenguin]

I put a little superglue on all the screws and tightened the shelf speakers up, they was completely loose from vibrations and driving, tossed a drop super glue on each one. Shouldn’t get loose again

I had a rattle I couldn’t place it, it was a speaker that got lose.

so put the seat latches on top of the carpet with the spacers behind it? Any reason why didn’t put both spacer and latch behind the carpet?

Just trying to make sure doing it right when I get the bolts tomorrow

looks awful but tossed some dynamat extreme up there

 

[FreePenguin]

Edit. Is the carpet flat against metal, and spacer is simply under the bracket on top of carpet? Gotcha. Just looked closely at pics

doing both tomorrow. Hoping bass comes through more solid with the seats down the car jams. But I hate the down seat look

if you could explain tomorrow would be great. I am under assumption I need 4 spacers, and 4 bolts. Grabbing ASAP in morning

 

[Chef jpd]

Yes, 4 spacers and 4 bolts.
The hole in the carpet is only big enough for the latch loop to poke through, so you will have to enlarge the hole to accommodate the new bolts.
the spacers will then go between the body and the plate, holding it solid.

 

[aleccolin]

Anybody else modify their seat backs? Seems like a good, 100% invisible solution.

 

[FreePenguin]

I’m doing it in like two hours.

 

[aleccolin]

As in, using a hole saw to swiss cheese the plastic? Please post some pictures, I've been thinking about doing this or cutting out a section and replacing with a perforated metal panel or something like that.

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