Even if you can’t remove the stock stereo, the Kicker Q-class can still enhance the sound. Their IQ series amplifiers are an instant factory radio improvement add-on. Hook them to the stereo and immediately send more powerful and accurate sound to any speaker. These compact Class D car amplifiers come in mono and full-range designs to fit your power needs. We provide free shipping on these and other Kicker factory radio products with a 60-day guarantee.