Need Help With Installing My Rear Euros

I have A '00 cavalier and i saw where people were saying they had to do some modifying. i need to even know how to install them in....can someone please help me and let me know how and if u had to modify them what needed to be done?!?!? thanx

hey nevermind on what i had said before asking for help
i had figured it out and figured out how ot deal with the problem
thanx anyhow