whats the difference

[ObeseFieldMouse]

i have an 03 4runner 4.7. why does gibson have exhausts for everything except the 03??? what is the difference between the 03 and 04 that changed the exhaust? anyone know??????

 

[ObeseFieldMouse]

bump

 

[gizmopt2002]

I'm thinking that maybe the way it mounts to the Cat has something to do with it, or maybe the original mounting places for the muffler, otherwise I'm lost.