4 PCS Foam Speaker Enhancer System Sponge Kit for Universal 6" & 6.5" Drivers,Self Adhesive Car Door Speaker Foam Rings Enhancer Soundproof Cotton Pad with High Rebound for Stereo Audio Speaker

Hoedia 6.5" Foam Speaker Enhancer, Self Adhesive Car Speaker Fast Rings, 4Pcs Universal High Rebound Sponge Bass Blocker Kit for Car Door Speaker Foam Rings

uxcell a15011200ux0430 Black 10m 33ft Length Car Speaker Sealing Tape

Metra Electronics 82-8148 6" to 6-3/4" Speaker Adapter for Select Toyota/Lexus/Scion 1998-Up Vehicles, Black