Just wanna pop in and mention how happy I am with mine. I've had it on for over a year now, used for about 8-10 track days. The huge boost in mid range power is very usefull for drifting. Sounds great too. Turned torque dip into torque mountain. Here's a couple clips from most recent drift day (last week).
[ame]http://youtu.be/FnhPKEGfwxY[/ame]
[ame]http://youtu.be/PkLwGSw7iXI[/ame]
Supporting mods are Nameless 3" downpipe and Nameless Test Pipe (stock midpipe). Tuned w/ Ecutek on E85.
Also, this is in Colorado, elevation is at 5400ft. Had a chance to drive it in Texas last year and it hauled ass