04-26-2013, 07:42 PM
I just reread your first post. If you're talking about removing the secondary butterflies, thats a top end mod.
We use mostly low end torque, I would recommend you leave the secondary butterflies on a stunt bike and remove them on a race bike.
We use mostly low end torque, I would recommend you leave the secondary butterflies on a stunt bike and remove them on a race bike.

