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Old 02-12-2013, 01:48 PM
MassGuy74 MassGuy74 is offline
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Location: Boston Area - MA
 
Join Date: Jan 2009
Posts: 61
Mein Auto: 2007 BMW 750i Sport
Apparently my car had a pretty serious subwoofer system in it prior to me purchasing. This did not come with the car. However, I see in the right side, trunk panel there is additional wiring...not cheap stuff either. I think 0 guage. How do I know if there is still something off the L7 amp to feed the subs. Is there a tell tale sign? What should I look for? I'm looking to possibly upgrade with a single 12" or something. Just to get a little harder hit.

I forget the name of the company, but they have a "kit" which replaces all of our factory speakers....all plug & play. Has anyone used them? Thoughts?

Thanks
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