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  1. Electronics
    Can I easily upgrade my factory H/K amp to an aftermarket and upgrade my speakers. I already have a nice sub/amp setup (spliced into the speaker level), but the interior sound quality sucks. Also, are the H/K speakers crossovers set at crazy levels or is it just the quality of the factory...
  2. Electronics
    Looking for the detailed specs on the (2006 if it matters) Harman Kardon sound system.
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