e-bay one that they loaded for me and used rear channel only for the amp with Pac-Audio.com Product Details | iPod Integration for your car and More by Pac-Audio - Connecting you to the future
the 10" box has the correct volume for the speaker
CHEVY SILVERADO 07-09 EXT DUAL 10" SUB BOX ENCLOSURE | eBay
plug and play no wires cut!