Opel Astra Sports Tourer Infinity Sound System woofer - YouTube
OPEL 13348198, 57000803 ASTRA J 2010 Subwoofer
6.5” Fast Rings For Opel Astra H J G Front Speaker Update Foam Pad Self Adhesive Sponge Washer Bass Blocker Enhancer System Kit - Sound & Heat Insulation Cotton - AliExpress