For over twenty years, the Precision Interface Electronics headquarters in Chatsworth, California has served as the origin point from which hundreds of quintessential integration kits, adapters and converters have come forth. PIE takes the guesswork out of Apple iPod integration by manufacturing iPod Interfaces, auxiliary audio inputs and cables for every major stock and aftermarket Car Stereo. It doesn't matter what kind of Car Stereo you have, simply stated, integrating your Apple iPod in your vehicle is easy as PIE.