yea, you can put them before the cat(s)
mine is right after the y pipe on my 93..i picked up 14rwhp/18rwtq with that being the only mod.
__________________
El Pendejo Loco
2002 Suzuki Hayabusa
1507 "dry" block
Brocks megaphone
Spencercycle 10" swingarm
MPS auto shifter
Hays convertible clutch
Yea, that about sums it up...