Box Converts XM-Ready Cars to Sirius-Ready Temples of Howard SternS

The honkin' GM Sirius box, which replaces the XM box currently found in most XM-enabled GM cars 2003 and newer. This new Sirius box is compatible with about 8 million cars on the road. There are boxes from Directed that do the same for Hondas, Toyotas and Lexus autos, too.

Box Converts XM-Ready Cars to Sirius-Ready Temples of Howard SternS

Box Converts XM-Ready Cars to Sirius-Ready Temples of Howard SternS