I have the bose stereo in my 99 A4. I have a 10'' sub wire tapped to my stock audi bose amp which is located next to the 6 disc changer. It was fairly easy to hook up and sounds great with the stock speakers and radio.
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99' A4 1.8t Quattro 5 speed - 18x9 HP Design Wheels, H&R Race springs on Blistein shocks, test pipe, 6000K HIDs... more coming soon
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