Skip to main content

Frits Overmars Expansion Chamber aka FOS exhaust concept

Frits Overmars is a well known tuner and very knowledgeable on Aprilia 2T racing bikes. The below schematic with calculations, offers his point of view with a simplified exhaust concept that will give some basic exhaust dimensions to start working on.

Comments

  1. I beleive this design was made by Frits Overmars himself.

    ReplyDelete
    Replies
    1. Hi...from Greece!I want create system pipe form my bike.. Modenas dinamik 118cc.with sam program...

      Delete
  2. Seems to have done is home work

    ReplyDelete

Post a Comment