your not gonna get the pentestar off in one piece. it has a little tit that goes thru a hole. i just knocked mine off with a putty knife. they are repoped and are cheep.
gt emblems have nuts on the inside of fender.
the door felts click into holes in the window channel. they slide upward and inward toward the center of the car. your prob gonna beat em up getting them out but they are also repoped.