2009 2010 2011 2012 2013 2014 Acura TSX Subwoofer Upgrade Instructions

Remove these items:
-Rear door opening seal, as needed
Hit the upper clip (A) in the C-pillar trim (B) with a rubber mallet. The clip is located under the point where the triangle mark (C) on the edge of the trim indicates. Hitting the clip breaks the projections (D) on the pin (E) and pushes it into the grommet (F) and against the body (G).

NOTE: The upper clip must be replaced with a new one when the C-pillar trim is reinstalled.

NOTE: The upper clip must be replaced with a new one when the A-pillar trim is reinstalled. If you don’t replace the clip the C-Pillar will still lock in place. Also you can repair the existing clip by heating it and then separating it from each other.
Link to clips if you rather replace them – https://www.amazon.com/dp/B0B4B9FCKK
Pull back the top of the C-pillar trim (A) by hand to remove the upper clip (B) from the body (C)
Fold down the rear seat-backs.
If the rear bulkhead cover and the rear shelf are to be removed, turn the high mount brake light socket (A) 45 ° counterclockwise to remove the socket from the trunk compartment.
Remove the rear bulkhead cover (A).
1. Remove the belt hole cover (B) by releasing the hooks (C).
2. Gently pull back the front edge of the cover to detach the clips (D).
3. Pull up the cover to detach the clips (E) fastening it to the body, and the clips (F) fastening it to the rear shelf (G).
4. Lift the cover upward and forward to release each anchor rod (H) out through the holes in the cover.
5. Pull out both rear seat belts (I) and rear center seat belt (J) through the slits and the hole in the cover.
6. Carefully move the cover above the rear wheelhouse gussets (K), then remove it.
7. Remove the rear speaker grille (A).
  Pry up at the notch (B) with a flat-tip screwdriver, of the grille to release the hook (C).
  Pull up along the edge of the grille to detach the clips and release the hooks (D).
  Pull back the grille to release the hooks (E) from the rear shelf (F).
8. Remove the rear shelf (A).
  Detach the clips with a clip remover.
  Lift the rear shelf upward and forward to release the rear hook (B).
  Slightly warp the rear shelf to release both side edges from the side curtain airbag inflators, then pull it forward.
  NOTE: Be careful not to damage the speakers.
9. Remove the four bolts securing the subwoofer.
10. 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.
11. Secure the new mounting bracket to the rear deck using the factory screws you just removed.
12. Connect the new subwoofer to the factory connection using the provided harness.
13. 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.
14. 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/