my .02 cents is that the shark fin will still be there but because of their location they can't get the actual subscription based service for either. From what I've heard the shark fin will be on every car coming out of the factory.
2013 ZL1 Coupe
SIM | A6 | Black 10-Spoke Wheels | ECF Hood Insert | Illuminated Footwells | Satin Nickel Fuel Door
2010 Camaro 2SS/RS|M6|CGM Exterior|Gray Int
2000 Camaro SS|M6|SLP headers|SLP center mounted quad exhaust|Magnaflow muffler|Hypertech programmed
2001 Corvette|M6|LG Motorsports Headers|Corsa Touring Cat-back|Magnaflow X Pipe|Hurst short-throw|Dyno tuned