Stinger X X2DSP X Mat Lautsprecher-Dämmungsset 1,7 sq ft

Took about an hour to do both doors with the 1.7 sq ft kit, and the self-adhesive backing grabbed instantly without peeling back. The aluminum layer adds just enough stiffness that the panel feels solid now, and road noise dropped noticeably on my commute. Wish it came with a roller, but the install

The aluminum outer layer on this mat feels really sturdy, and the self-adhesive backing made installation on my door panels a breeze. Definitely noticed less road noise on my first drive after putting it in.

Wasn't sure 1.7 sq ft would be enough but it covered my front doors with a bit left over. The self adhesive backing sticks down way better than the cheap stuff I used before. Doors feel solid now, no more rattle on the highway.