Installing an Amp and Subwoofer w/ the Factory Radio

#1
Hey Guys,

I have an '03 Corolla and my friend just gave me an Alpine amp and subwoofer and I wanted to install them without having to change out my factory radio. I know that the factory stereo doesn't have the RCA outputs so how would I go about this? Is there an adapter kit for this or is it even possible?

Thanks,
Mike
 
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