Best prices on Sirius sportster car kit in XM & Sirius Satellite Radios. Check out BizRate for great deals on XM & Sirius Satellite Radios from Sirius, DEI and Audiovox. Use BizRate's latest online shopping features to compare prices for Sirius sportster car kit. Read product specifications, calculate tax and shipping charges, sort your results, and buy Electronics with confidence. Easily narrow your search and find the product that's perfect for you: Sirius Sportster SUPV1 Car Kit - Sirius Sportster 5 Satellite Radio Receiver with Car Kit.