if some of you are wondering if a 12inch subwoofer will fit in the 8. Short answer is no, but if you take off the plastic piece that holds the jack stand, you will need to cut the metal under it, set the sub in and reattach the plastic piece. The shop charged $50 USD ...
9-5 OG - Show your subwoofer ideas : r/saab
DS18 SQ82A Amplified 8" Car Audio Subwoofer with High End Aluminum Enclosure 1200 Watts