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2017 elantra audio

  1. AD (2017+) Elantra
    So I have a 2017 Elantra with no navigation or premium sound. I would like to upgrade my sound but I am not sure what the most cost-effective way to do it would be. I already have an MTX Terminator subwoofer and a BOSS Riot 1100w monoblock amp from my old car. I am just not sure what to do...