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Discussion Starter #1
I was wondering if anyone has upgraded their factory sub in the rear deck. I have a 2011 si with navigation and was wanting to upgrade to a more powerful sub. Being I have a 15in in the trunk and will also be upgrading to a multichannel amplifier for the component speakers and sub. Any suggestions and ideas would be appreciated
 

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Registered
Joined
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5 Posts
Discussion Starter #2
I was wondering if anyone has upgraded their factory sub in the rear deck. I have a 2011 si with navigation and was wanting to upgrade to a more powerful sub. Being I have a 15in in the trunk and will also be upgrading to a multichannel amplifier for the component speakers and sub. Any suggestions and ideas would be appreciated
 
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