Vespa Pk 50 Tuning

Hi, all.

I need some advice for my Vespa Pk 50 xl (v5x3t)

I want little bit tuning.

1. Cylinder. i choose Pinasco 85 cc.

I'm interested in what another part do i need for tuning?

I read some description and found some advices about intake manifold...

Also i Lose my air filter and i decided to buy http://www.sip-scootershop.com/main/base/Details.aspx?ProductNumber=40252000&_language=en this one.

 

So what is your advices?

Pleas be generous.

 

Tnx!