The AI (air injection are those tude things on the outside of the spark plugs). It takes maybe 1/2 hr to remove. Get the kit from
NewSpeedmaster.com, it has terrific step by step instructions.
If you take your seat off, you will see where the air filter is. The snorkle is the rubber thing sticking up from it. That just pops off and will give you better air flow.
Soren
