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- 09 370Z Nismo
Hey guys I was searching for the rattling coming from the hatch of my car I get from all my subwoofers hitting - and I found this little plastic cover piece on the underside of the spare tire well, it turned out to be rattling a lot. So I took off the piece, and it was covering some weird ass lookign black box, with silicone hoses leading to it, that obviously feed some kind of liquid, what kind I couldn't tell. Anyone have any idea what this box does, and what it is doing way back here?