If I were to replace my stock tweeters from my '00 Si, would I need any additional harnesses such as the speaker one for my new tweeters or would the new tweeters directly "plug and play" through the old wiring. Also, how would I remove my stock tweeters from the pods? Thanks.

 

A lot of aftermarket tweeters have short soldered wires that you have to connect your wires to. It's a terrible system IMO because they can break off the tweeter terminals at the solder points, but that's another thing. Use wiring disconnect clips to connect the wires. The only tweets I think have clamp terminals are MB Quarts.

 

If you are installing a component system all you have to do is mount the tweeter, solider, or tape, whatever you choose to make the connection, and then run new speaker wire to the crossover from the TW+ and the TW- to the +,- on the tweeter. (red, black typically)