1. Start by removing the front A.S.A.

2. Then cut out at an angle peace of the big block

3.Next drill out a new air shaft connecting to the stock air shaft

4. Then tap out the new air shaft at the open end

(you don't need to tap all the way just enough for the new A.S.A.)

5. Next use a 1/2 plug to plug up where the old A.S.A was