I was wondering where the tweeter and mid are connected at.

The kenwood components I bought have an in line filter for the tweeters.

The tweeters connect directly from the 6.5"

Any ideas?

Also open to suggestions on other 6.5" components.

 

Stock setup runs off a single run. So connect 6.5 in door to factory wiring, mount passive filter run wire to a pillar tweeter location

 

Factory tweet has a filter spliced in the backside of the speaker....might consider doing the same for new one...otherwise have to splice in with the crossover under the dash

 

The wire splits under the dash by the front door pillar. From there it runs through a rubber grommet to door, other one to base of a-pillar.
For mounting aftermarket crossover/filter, you could put them at the back with the amps and run both sets of wires, or pull off the sides of the dash and mount them in the cavity.
Kenwood makes decent stuff.