Modified Air Box

Has anyone cut out the baffle plate inside the upper air box that has the 2 venturies in it.

Modified air box.

It retains the modified air box while still making huge power gains. I got a great price on the k n 29 95 with free. Modified upper air box 09 xp. The air box already had a large opening on lower front side.

Airbox mod thread with some useful info. A4 5 3 0tdi box and snorkel. 3zx7r6a kawasaki zx7r airbox ama 3 snorkel this is an ama superbike pressurized airbox for your kawasaki zx7r that brings air in from the standard right and left intake ducts and has a third snorkel that brings air in from between the top of the radiator and the bottom of the triple clamp. And to really understand airflow and filters then read through this.

Here is a picture of mine when i first did it. This is the best way to go for the money spent. Perhaps a bit much hole when compared to s7 above. Posted in rev xp xs chassis performance trail 120 129 inch models.

Which i can only assume are there to reduce intake noise. I dropped in a k n filter and all of a sudden i have just a touch of turbo lag that i haven t had since changing to shell 93 octane. A smaller hole will still let out sound and reduce chance of sucking in hot air from the engine bay. Maybe he will post a picture of his too.

The air box its self doesn t look too restricting other then the 2 ventures. I modified another air filter box a while ago that was a little different too. Dale increases the air flow 3 ways. 1st by removing the internal restrictor funnel 2nd by adding two more air intake holes in the back cover 3rd by adding the k n replacement air filter.

I m am thinking if i open up the upper air box by doing that. Removed bottom half of airbox and replaced with a custom piece made to support the filter into the top half exposing the full filter.