Custom Subwoofer Enclosures
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I have the coupe. I have a 8 inch sub coming soon that I am going to try to mount in the space of the tub of the boot. Will be a few months in the making as going to have to feel my way through the install. That space is at least 11-12 litres or about o.5 cu ft so almost perfect for a 8 inch sub. Should fit nicely under the rear floor tray with some 1cm spacers under the edges to lift it a bit to give a bit of breathing room and for me can mount and be secured to the spare wheel screw in brace so can be removed easily.
I am not going to fibreglass it but if anyone is you could fill the well with thick carpet and then fill the well with expandable foam in a garbage bag and place a board over the top at floor level.this will they give you a positive cast of the space that you can fibreglass over the top of once removed. Creases in the carpet will leave a negative impression on the cast so won’t matter. Buy using thick carpet or spacers will give enough room for the fibreglass to not exceed maximum space available . Obviously arrange the carpet so the bottom is narrower than the the top so it can be removed.
I am not going to fibreglass it but if anyone is you could fill the well with thick carpet and then fill the well with expandable foam in a garbage bag and place a board over the top at floor level.this will they give you a positive cast of the space that you can fibreglass over the top of once removed. Creases in the carpet will leave a negative impression on the cast so won’t matter. Buy using thick carpet or spacers will give enough room for the fibreglass to not exceed maximum space available . Obviously arrange the carpet so the bottom is narrower than the the top so it can be removed.
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where is everyone going to mount their amp?? I haven't got a fixed location in my head yet so thinking on top of the umbrella holder location at present or even in one of the back corners ???
also intending to mount sub-box on rubber nubbins/feet to decouple the sub from the car. Is that what everyone else is planning to do ?
also intending to mount sub-box on rubber nubbins/feet to decouple the sub from the car. Is that what everyone else is planning to do ?
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where is everyone going to mount their amp?? I haven't got a fixed location in my head yet so thinking on top of the umbrella holder location at present or even in one of the back corners ???
also intending to mount sub-box on rubber nubbins/feet to decouple the sub from the car. Is that what everyone else is planning to do ?
also intending to mount sub-box on rubber nubbins/feet to decouple the sub from the car. Is that what everyone else is planning to do ?
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16.5x20.25x7. You just need to angle the right front corner to clear the well curve. Did not relocated relays but did move the Bosch module in the front right of the well. Not sure of battery location on pre 2020 but mine is left rear corner of the well.
Last edited by Jag Bass; 03-25-2021 at 09:49 AM.
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I'll need to go look at my space again - I'll post a pic for comparison. I'm planning to be completely under the false floor so that takes away a few inches of depth but I still didn't think I could go much more than 8" external dimension depth. Yours is 16.5 deep (15"internal depth)?
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The box is perched atop wood stand offs glued to the well floor with 1/8 felt furniture feet on top of them. The felt pads allow for decoupling from the well while alllowing the box to sit over the top of the power distribution box, studs, and other factory wiring. I will attach some pics to this post this evening.
Pic showing the Bosch Module relocated to the center. The fuse panel on the 2020 was moved from the leftside of the well closest to the battery to the left quarter panel behind a small removable panel.
Pic showing the wooden standoffs attached to the floor with the felt pads on top to decouple the box from the well floor. Each one is a slightly different height depending on the part of the floor it is mounted to in order to achieve a level perch for the box to sit on.
Pic showing the eco start module removed from its floor mount.
Pic showing the floor stud removed which was just holding the wiring harness in position. It has to go in order to get the box to slide back another inch or so. The Ground cable was also loosened and rotated back to the 7:00 position for clearence.
Dropping the box into position. Very tight and got to hit just the right angle to get it to slide in.
In position showing the front face clearances.
With the front floor panel dropped into place.
Showing how far back the box sits.
Pic showing the very minor trimming of the right rear floor panel for clearance.
Back trim panel installs over the rear of the box, very tight fit. The box will have to be removed in order to replace battery.
Pic showing the Bosch Module relocated to the center. The fuse panel on the 2020 was moved from the leftside of the well closest to the battery to the left quarter panel behind a small removable panel.
Pic showing the wooden standoffs attached to the floor with the felt pads on top to decouple the box from the well floor. Each one is a slightly different height depending on the part of the floor it is mounted to in order to achieve a level perch for the box to sit on.
Pic showing the eco start module removed from its floor mount.
Pic showing the floor stud removed which was just holding the wiring harness in position. It has to go in order to get the box to slide back another inch or so. The Ground cable was also loosened and rotated back to the 7:00 position for clearence.
Dropping the box into position. Very tight and got to hit just the right angle to get it to slide in.
In position showing the front face clearances.
With the front floor panel dropped into place.
Showing how far back the box sits.
Pic showing the very minor trimming of the right rear floor panel for clearance.
Back trim panel installs over the rear of the box, very tight fit. The box will have to be removed in order to replace battery.
Last edited by Jag Bass; 03-25-2021 at 08:08 PM.
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