Yeah, its the weather stripping as everyone else said. As long as water is not leaking in, I'd leave it unless its really loud. Crank up the music <img src=icon_smile_big.gif border=0 align=middle>
<img src="http://publish.hometown.aol.com/jrh382/myhomepage/elantraborbets1.jpg?mtbrand=AOL_US" border=0>
2000 Hyundai Elantra GLS (Photochop)
-PIAA 1100 series driving lights
-PIAA Plasma Headlights
-10" Pioneer sub powered by Kenwood 600 watt amp
<img src="http://publish.hometown.aol.com/jrh382/myhomepage/elantraborbets1.jpg?mtbrand=AOL_US" border=0>
2000 Hyundai Elantra GLS (Photochop)
-PIAA 1100 series driving lights
-PIAA Plasma Headlights
-10" Pioneer sub powered by Kenwood 600 watt amp