Replace Factory Sub - Ford Powerstroke Diesel Forum
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post #1 of 14 Old 01-17-2014, 10:45 PM Thread Starter
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Replace Factory Sub

Im looking to replace the factory sub in my 2014 but the wiring harness plugs directly into the sub box. Im thinking the factory amp is inside the box too, that may be a problem. Anyone done this without cutting the factory harness? Is there a way to "piggyback" my new sub with the factory one?

2014 6.7 CCSB FX4
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H&S Turbo Kit
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Bilstein 5160s Front 5125s Rear
60gal RDS Auxiliary Fuel Tank/Toolbox

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post #2 of 14 Old 01-18-2014, 06:00 AM
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I remember reading a couple people had tried this and were not happy with the result for the time and money.

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post #3 of 14 Old 01-18-2014, 11:49 AM
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I added poly fill to the stock box and noticed a reasonable improvement. Reasonable for a few bucks and minimal time investment.
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post #4 of 14 Old 01-18-2014, 02:41 PM
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Quote:
Originally Posted by MorganM View Post
I added poly fill to the stock box and noticed a reasonable improvement. Reasonable for a few bucks and minimal time investment.
Can you please explain in detail what you did?

Thanks!

2014 F350 CC Short bed, Fully loaded, Platinum Edition. 6.7L Scorpion Tuxedo Black. 3.55 ELD, FX4, Sup heater, 5th package , BFG Radial All Terrain: icon_ford:
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post #5 of 14 Old 01-18-2014, 03:54 PM Thread Starter
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Quote:
Originally Posted by MorganM View Post
I added poly fill to the stock box and noticed a reasonable improvement. Reasonable for a few bucks and minimal time investment.
Good idea. I was considering taking the box apart and exploring anyway. Maybe reusing the stock box and somehow replacing the speaker, or transferring the stock guts into my box.

2014 6.7 CCSB FX4
Edge CTS
6" RCX Lift
H&S Turbo Kit
DieselSite Filters
S&B Intake - Dry
No Limit EGR Delete
4" Flo-Pro / Donaldson
H&S Tunes via XRT Pro
Bilstein 5160s Front 5125s Rear
60gal RDS Auxiliary Fuel Tank/Toolbox

Click HERE to save a childs life.

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post #6 of 14 Old 01-19-2014, 07:44 AM
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Quote:
Originally Posted by Hoverp View Post
Can you please explain in detail what you did?

Thanks!
Sure.

I removed the subwoofer box from the truck, and seperated the speaker from the box. Then, I borrowed a bag of poly-fill from my wife, similar to this. I inserted about 1/3 to 1/2 of the contents into the box around and behind the speaker, and re-installed everything in reverse as I removed it.

I'm in no way an automotive audio expert, but folks in that space have been doing this for years to make a box "seem bigger". If you Google polyfill and subwoofer, you'll find numerous hits explaining the physics behind the effect.

More power and a better speaker, this does not trump. Though for a minimal time investment and very little cash, it's a reasonable upgrade, imo. I would say I can feel the bass slightly more. You may be able to play with the amount of stuffing to have a more, or less, dramatic affect- good luck!

If you try it, please tell us what you think!

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post #7 of 14 Old 01-19-2014, 07:52 AM
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Quote:
Originally Posted by TMAG6.0 View Post
Good idea. I was considering taking the box apart and exploring anyway. Maybe reusing the stock box and somehow replacing the speaker, or transferring the stock guts into my box.
For a modest upgrade, I intend to try this http://www.amazon.com/JL-Audio-CP108LGW3V3-CP108LG-W3v3/dp/B001UDIGAC/ref=sr_1_1?s=automotive&ie=UTF8&qid=1390150212&sr=1-1&keywords=jl+microsub with a tiny amp running off the stock wiring. Everything I've read indicates the OEM box is too thin/ weak to have an appreciable impact with any speaker or power level beyond stock.

The JL microsub is suppused to fit where the stock sub lives, but I've not confirmed these measurements myself.

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post #8 of 14 Old 01-19-2014, 08:39 AM
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Quote:
Originally Posted by MorganM View Post
Sure.

I removed the subwoofer box from the truck, and seperated the speaker from the box. Then, I borrowed a bag of poly-fill from my wife, similar to this. I inserted about 1/3 to 1/2 of the contents into the box around and behind the speaker, and re-installed everything in reverse as I removed it.

I'm in no way an automotive audio expert, but folks in that space have been doing this for years to make a box "seem bigger". If you Google polyfill and subwoofer, you'll find numerous hits explaining the physics behind the effect.

More power and a better speaker, this does not trump. Though for a minimal time investment and very little cash, it's a reasonable upgrade, imo. I would say I can feel the bass slightly more. You may be able to play with the amount of stuffing to have a more, or less, dramatic affect- good luck!

If you try it, please tell us what you think!

Thanks! Good stuff!

2014 F350 CC Short bed, Fully loaded, Platinum Edition. 6.7L Scorpion Tuxedo Black. 3.55 ELD, FX4, Sup heater, 5th package , BFG Radial All Terrain: icon_ford:
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post #9 of 14 Old 01-20-2014, 10:51 PM Thread Starter
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Quote:
Originally Posted by MorganM View Post
For a modest upgrade, I intend to try this JL box with a tiny amp running off the stock wiring. Everything I've read indicates the OEM box is too thin/ weak to have an appreciable impact with any speaker or power level beyond stock.

The JL microsub is suppused to fit where the stock sub lives, but I've not confirmed these measurements myself.
That looks exactly like the one I have. Actually have two + amp I pulled from the previous truck....Next opportunity I'll try taking plugs and such off stock box to make the JL work without cutting wires.

2014 6.7 CCSB FX4
Edge CTS
6" RCX Lift
H&S Turbo Kit
DieselSite Filters
S&B Intake - Dry
No Limit EGR Delete
4" Flo-Pro / Donaldson
H&S Tunes via XRT Pro
Bilstein 5160s Front 5125s Rear
60gal RDS Auxiliary Fuel Tank/Toolbox

Click HERE to save a childs life.

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post #10 of 14 Old 01-20-2014, 10:52 PM Thread Starter
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Quote:
Originally Posted by MorganM View Post
Sure.

I removed the subwoofer box from the truck, and seperated the speaker from the box. Then, I borrowed a bag of poly-fill from my wife, similar to this. I inserted about 1/3 to 1/2 of the contents into the box around and behind the speaker, and re-installed everything in reverse as I removed it.

I'm in no way an automotive audio expert, but folks in that space have been doing this for years to make a box "seem bigger". If you Google polyfill and subwoofer, you'll find numerous hits explaining the physics behind the effect.

More power and a better speaker, this does not trump. Though for a minimal time investment and very little cash, it's a reasonable upgrade, imo. I would say I can feel the bass slightly more. You may be able to play with the amount of stuffing to have a more, or less, dramatic affect- good luck!

If you try it, please tell us what you think!
Did you have to take out the rear seat to get the sub out?

2014 6.7 CCSB FX4
Edge CTS
6" RCX Lift
H&S Turbo Kit
DieselSite Filters
S&B Intake - Dry
No Limit EGR Delete
4" Flo-Pro / Donaldson
H&S Tunes via XRT Pro
Bilstein 5160s Front 5125s Rear
60gal RDS Auxiliary Fuel Tank/Toolbox

Click HERE to save a childs life.

TMAG6.0 is offline  
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