yes, it works great....
i have it on my h3 and my other car. lasts a long time, dont know how long exactly though. i would think at least 5 years or more.
i had my h3 donr by my body shop....still a couple areas im gonna add. costed me 1400.
heres a link to clearmask. i emailed them with some questions, but they never esponded. they show a precut kit for the h3
http://www.clearmask.com/vehicle_page.php