I posted on SupraForums...I have a new intake system coming out in about 2 weeks. I currently have just the filter on my car, and a client's car....the full piping will be here shortly. There is definitely a change in throttle response..and low end power. This is just with the filter alone. Read more about my products here:
http://www.supraforums.com/showthread.php?s=&threadid=114867
http://www.supraforums.com/showthread.php?s=&threadid=114867