9 Speaker audio system (non JBL)

For rattles - use this stuff to tack it down.

$24 Second Skin Butyl Sealant Tape – Butyl Rubber Sealant, Multi-Purpose Butyl Rope, and Putty Tape for Automotive (Car, RV, Marine) – 1/4” x 1/2" x 20’ – Made in The USA

https://www.amazon.com/dp/B0155KELRW

Aslo remove the little carpet pieces in the interior door handles cups. Those rattle awful and difficult to pin down

 

Need to use this to get rid of all of the factory EQ, all-pass filters, time alignment etc. install before your amp so it gets a clean signal Kicker Keyloc

https://www.crutchfield.com/S-oBUKy...paim-m1TgFocfMP7WC2nRra-EJlK8SAcaAtjNEALw_wcB

Also if looking for inexpensive quality speakers check out CDT audio. Lots of fanboys on DIYMA.