R6 header question

[American-fzr]

I've read a bunch of posts on here about the r6 header swap. What years fit? And does anyone have any pics of how to crush it so it fits?

 

[Marthy]

2003-5 R6

 

[American-fzr]

I bought one for an 03 off ebay and an akrapovic slip on off marketplace

 

[American-fzr]

I actually cut my cat off welded an adapter on and put a voodoo exhaust on. It's really loud, sounds good for the most part, but too loud for me.