Has anyone try this or know about it thanks
http://www.superchargertuning.com/Lexus/IS/

 

This is not something you want to use...All it is is a fan inside your intake tube that connects to your battery and driven by a button under your gas pedal when you are WOT.

It obstructs your airflow when not in use since it sits in your intake pipe.

 

Total junk, don't' waste your money