What is the best FM radio transmitter for an older car without an Aux input?

I want to be able to listen to music in my car through my phone or my iPod and I just want to know of a good FM transmitter that works well... I had tried one in the past, but it was very staticky and didn't work very well.
Update: I mentioned in my question that I have an older car... It's almost 20 years old...
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