left rear door panel, rockford fosgate 4" component tweeter is installed behind factory tweeter spot
 

<center><img src="http://pictureposter.audiworld.com/84147/s4panels_001.jpg"></center><p>

what material is that on the door panel? I think mine is vinyl
 

I thought later ones looked like that, but you have the earlier ashtray

s6 panel in my s4, the s6 ashtrays were busted so mine were dropped in