I removed all carpet and laid Dynamat over entire trunk top to bottom, and deck lid. The rattle is not the fuel door it. Is some where in rear qtr around the wheel well. I can’t get pic’s to upload, but I am currently running 2xRF P3D4-10’s wired down to 1ohm with 2 RF PD500X1bd amps and a RF...
I recently installed subs and all that goes along with in my 2014 S Plus. I had a stupid amount of rattle to start (everything from deck lid, bumper, tail lights all the way to the hood and front head light assembly) most was fixed with bolt and screw thightening and Dynamat... except a rattle...