This was pre H&s system
http://s271.photobucket.com/user/stuno1/media/lexus%20isf/IMG_1505_zps8aa521de.mp4.html
In car pre and post system. Exactly the same route driven. H
Pre:
http://s271.photobucket.com/user/stuno1/media/lexus%20isf/IMG_1519_zps51db3ce7.mp4.html
Post:
http://s271.photobucket.com/user/stuno1/media/lexus%20isf/IMG_1514_zps1ab90a78.mp4.html