Changing exhaust tips on an 2000 Boxster S - need ideas...

[panameras]

I'm thinking about doing the pedro mod on my stock muffler and would like to change the tips at the same time. After something a little bigger for a tougher look and maybe have them painted in black.

The stock tips are welded on. But they seemed to be just a "cover" and there are smaller tips inside the "cover". Is that the way they are designed? Or it is just one piece, in which case I should just cut them off completely and weld on new ones?

Also what size tips would fit? I'm not after the expensive fabspeed stuff, just some cheap ebay tips would do.

Thanks in advance for any help.

Cheers.