Installation for the scoop will take about 10 minutes and the bumper does not need to be removed. Cost of the scoop will be around $100 and release is only to be determined when we can confirm actual hp gains on the dyno.
To get a better idea of how these work, you can read up on this post:
http://www.m5board.com/vbulletin/sho...d.php?t=105380
Its quite lengthy but everything is summed up in the first few pages.