Does anyone know if the air intake, velocity stacks and the like are the same for all F4i's or did they change (get bigger) over the years. Looking to get more air into the engine and a friend bought all this stuff for his 1000RR. Anything like this for the F4i?

 

as far as i know, they are the same. not much resdesigning.

you can get velocity stacks for the F4i, but you'll need to dyno tune or your bike will run like ****.

 

Thanks Tahoe
So I assume aftermarket intake pieces are whatI will have to go with then. Any ideas on where to get velocity stacks (or air tunnels) and any other intake pieces in the aftermarket world? I knew about the tuning on the dyno, a pcIII may be on the horizon along with this stuff.

 

factory pro makes them for the F4i.
i would hold off on them and the tuning and get it all done at once...
so like PC3 (or 3r), full system, velocity stacks, etc...then get tuned.

 

I'll check out factory pro for the intake stuff. I have a slip-on and a K&N already. Full system is not in the cards. Would like the do the intake and the pc though. Then tune once it's all there. I'll let you know if I need more help. Thanks!