https://home.sirius.com/webDUWI/Home...spx?source=661

Enter Code 171 and hit go

From there you can pick any tuner for $49.00

Pick the Audiovox and add to cart

On the next page enter siriusbackstage in the referral ID and select either the home or car kit for free.

Original post:
http://www.slickdeals.net/forums/showthread.php?t=46457