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Picture of FZ8 airbox mod and AIS blocking.
Today I'm going to show you how to do an airbox mod on your Fz8 as well as blocking off the AIS tube. Looking at the stock air box, I found that air induction on this bike is very restricting. So I researched and found out about the Lar's airbox mod. This mod consists of cutting the airbox. Also, after installing the new exhaust, the bike starts popping while decelerating. I found out that the AIS needs to be removed or blocked in order to get rid of the popping noise. The noise itself isn't horrible but I just wanted a more uniformed exhaust note from the bike. Blocking the AIS hose isn't a permanent mod so you can switch it back if you wanted to for whatever reason. All this was done at Techshop SJ!!!

Step 1: Lets strip her down.

Picture of Lets strip her down.
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Lets begin by putting the bike on a stand. Then we can start removing both rider and passenger seats.
 
Roadkill22 years ago
the airbox mod could make your bike run lean and damage the pistons and valves.
the AIS blocking is ok.
jumb5150 (author)  Roadkill22 years ago
Not if you map it out with the PCV