General Car Audio Discussion & QuestionsAll general car audio discussion goes here. Need help installing speakers, headunits, amps or electrical? Having problems with equipment? Have questions about a product, post here.
I went to Best Buy just to see what was needed so that I could turn around and try and scoop it online. They were showing me 2 different pieces I needed in order to have XM with my HU. One was around $70 and the other was $80-$100 I think.
Does anyone know exactly what's needed (items/model numbers) so that I can keep my XM? It's an Alpine 9668 that will be installed in my 04 Tahoe that already has factory XM. I'm assuming I can use the OEM XM antenna vs putting the magnetic one up there right?
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