checkout this link, it has some good info
http://www.clubxm.com

 

Here a pic of the XM unit mount in a IS300

 

I have Xm in my es3oo. I have the Pioneer Direct Hook up to my deck with the satalite reciever. It is better than I though at first. I sell car audio so I got it for free, otherwise I might not of bought it because it is a little pricey still.

Adam " Lexist "

2 HE2 DVC Fosgate 12's
1 1200watt Class D sony Amp
2 Pioneer gmx-352 Amps
Rockford Fosgate Components
Cerwin Vega 6 x 9's
1 Digtal Farad Cap
XM Radio
17" Neeper Aliens
Clear Front and Rear Lights