Installing aftermarket powered sub under console.

[Billy H]

Hello guys, glad to be here and looking forward to interacting with y’all. My Sierra didn’t come with Bose audio nor the console with sub. Stereo system I have sounds pretty good, but I miss the bass from a sub. I’ve found a console I’m buying, and it has the Bose sub in it. I’m thinking I’ll remove the sub and I hope it’s enough room to install a powered compact sub. It’s the Kicker 11HS8. It’s 14” long, 9.5” wide and 2 7/8” tall. Has anyone done this before? If so, good or bad? I thought about under backseat, but I don’t lock my doors at night so the thugs won’t break window for nothing and wanted the sub out of sight. Thanks in advance for the help. 

[Lsgun1]

There's not a lot of room for subs under there and you will need a custom box. There's a guy on eBay who sells a package and JL makes a box and sub for this as well but it's pricey.

[Billy H]

Thanks, the JL box is round 700 I believe. The kicker is like 270. I guess when console gets here I’ll have to size it up and see. 

[1SLOW1500]

There is a guy that sells the custom wooden box and then you install a small sub and amp. Way cheaper then JL.

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[rah7777777]

eBay guy named Rodney something has the wooden boxes and kicker setup. 
I bought my setup from him. 
 

Sounds pretty good to me, but I just wanted a little extra bump. Nothing crazy

[bentarm13]

I have under seat storage In my crew. I custom made a box for a shallow 10" and amp that fits inside the storage box. You would never know it’s there unless you lift the seat, whole complete setup cost me under $400.

[Jaychevy81]

I think the under seat sub is better. The center console has to rattle with anything more powerful no?


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[1SLOW1500]

Depends on how much power and specs of sub. I wanted 1000 watts so needed under rear seat. My bow was way to large so I could have installed 4 8" but they didn't sell them at time so 2 10". But they are very agressive subs.
I just made a fiberglass mold of floor then. Wood on other sides. I have gm all weather floor mats and this box can't move at all as it is a exact cast of the floor. Could have installed amp there but wanted it hidden.

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[Snowcamo]

Depends on how much power and specs of sub. I wanted 1000 watts so needed under rear seat. My bow was way to large so I could have installed 4 8" but they didn't sell them at time so 2 10". But they are very agressive subs.
I just made a fiberglass mold of floor then. Wood on other sides. I have gm all weather floor mats and this box can't move at all as it is a exact cast of the floor. Could have installed amp there but wanted it hidden.

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That's some talent right there! Mine next?

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[1SLOW1500]

Electronics are here. Have a v12 amp also.

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[1SLOW1500]

This is what I did. And it is super strong.

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[Snowcamo]

This is what I did. And it is super strong.

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Not many on this forum actually want bass man. Its a dieing fad that im glad to be a part of. I bet that system makes the cab do the moon walk [emoji38]. Mine will soon[emoji106]

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[Jaychevy81]

This is what I did. And it is super strong.

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I gotta hand it to you man you never undershoot anything. Nice work this may be my next project once I get my truck back. Had the supercharger installed by a reputable place. They dropped a intake bolt in the head and blew the engine.


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[Snowcamo]

Electronics are here. Have a v12 amp also.

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Have you done the big 3 or 4? I'm upgrading the wiring under the hood atm.

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[1SLOW1500]

I have not. I have 2nd battery that has it's own ground to engine block. Idea was if stock battery is dead the other battery is a jumper so starter is important.
I like the look of stock batter to alternator cable and with turbo it is rerouted high.
Have no issues. If I did anything else it would just be better ground at stock battery.

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