AC Auto Parts - 2 Seats Carbon Fiber Universal Heated Seat Heater Kit Car Cushion - Round Switch -
$48.96 with Free Shipping!
Want 4 seats heated?
4 seats 5 Speed Heated Seat Heater Kit carbon fiber round Hi-Lo switch Universal -
$49.99 + $9.99 shipping. Still a deal!
There are also options of having them installed by a mechanic. I'd recommend Apple Valley Car Clinic in Apple Valley MN or a similar company.