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That would take one hell of a 3.5. I think there are some 4" speakers that can handle that if you can fit some in there. I'll be trying to cram some 4" into my dash pretty soon.
I've never seen a 3.5" speaker that could handle that much, usually around 35 watts RMS at most. Some 4" and small component sets can handle around 50-80 watts RMS, but thats just a lot of power for such a small speaker.