Subwoofer - GMC Terrain Forum
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post #1 of 4 (permalink) Old 06-20-2019, 09:28 AM Thread Starter
Join Date: Jun 2019
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I have the 2012 terrain with the pioneer package. I have an extra Memphis ten laying around. Can I just swap that with the factory sub in the cargo area?
Calebsmurry is offline  
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post #2 of 4 (permalink) Old 06-21-2019, 03:37 PM
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Search my can modify the stock sub box to accept a 10Ē sub. If you have a 4 cylinder, youíll need also need to disable the active noise canceling, but the V6ís donít use active noise canceling...
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post #3 of 4 (permalink) Old 06-21-2019, 05:12 PM
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Anyone know the volume of the factory box?
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post #4 of 4 (permalink) Old 06-21-2019, 09:48 PM
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Stock enclose is 15 liters which translates to .529 cu. ft.

Seriously, do a search. Iíve got instructions, etc. along with pics on how to modify the stock enclosure to accept a 10Ē sub. I figured it out several years ago and several members here have followed my directions with great success:
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