i would like to know if droping the tsx is the same like droping any honda-acura car. easy

 

Yes.

 

well any way i got the tien basic damper kit for the tsx, and was wondering if i had to drill a hole in the back for the rear supension? does any one know?

 

Good choice. I just installed TEIN SS Damper. The difference between mine and yours is I can adjust damper from soft to stiff and anywhere in between. I have 2003 sedan. I do not think you need to drill any holes. I had to remove rear seating to get to the nut that holds the strut in place and then used stock mount with new coilover.