Im looking for the XM antenna that look like a shark fin.
Most Chevys have them and ive seen BMW with them also.

Does this have the same plug as a regular XM antenna? Or can you "pop" the top off and reuse it with another antenna?

thanks

Are you sure that's an XM antenna? I believe that is just the factory radio antenna. I have never seen an XM antenna like that. It could be that both regular radio and XM are run through that, but then I'd be willing to guess that's car specific and not made by XM.