2014 2015 2016 2017 2018 2019 2020 Acura RLX Subwoofer Upgrade

  1. Remove the bolt (A) between the rear seat-back (B) and the rear seat cushion (C).
  2. Release the hooks (A).
    While pushing down on the seat cushion (B), pull the seat hook handles (C) to release the hooks.
    Remove the rear seat cushion.
    With rear seat cushion heater: Disconnect the rear seat cushion heater connector (D).

  3. Pull out the center seat belt (A) through the slit in the center seat belt guide (B).
  4. Remove the bolts (A). With rear seat-back heater: Disconnect the rear seat-back heater connector (B).
  5. Remove the rear seat-back (A).
  6. Remove rear door opening seal (A) as needed.
    Remove the C-pillar trim (B).
    With rear window sunshade: Release the guide rail (C) from the rear window sunshade wire (D).

  7. With rear window sunshade: If necessary, remove the guide rail (A).
  8. Remove the trunk upper trim panel (B).
  9. Without rear window sunshade: Disconnect the high mount brake light connector (A).
  10. Remove the rear shelf trim (A).Disconnect the tweeter connectors

  11. Remove the subwoofer (A). Disconnect the subwoofer connector. Remove the baffle plate (B).

  12. Disconnect the factory subwoofer by pinching the connector at the sides and pulling down until it releases. You will need to pull with moderate force.
  13. Secure the new mounting bracket to the rear deck using the factory screws you just removed.
  14. Connect the new subwoofer to the factory connection using the provided harness.
  15. Mount the new subwoofer to the mounting bracket with the supplied mounting screws.
    NOTE: It is recommended to apply sound treatment material to the rear deck metal and rear deck cover to reduce unwanted rattles and noise
  16. Reinstall the covers you removed in the reverse order.
    NOTE: If the rear deck touches your new subwoofer, trim the rear deck panel so the surround of the subwoofer does not touch or buy longer retaining clips to ensure the rear deck does not touch the subwoofer.
    You can use the ones found at this link. https://www.amazon.com/Rexka-Panel-Retainer-Chrysler-6503709/dp/B07CJP3X5H/