here lad its pretty easy to do i have a mk1 arosa and it took me a day in all but i didn know about the rivits or that i would need rings lol i used some ald plastic and cut the rings outa that. i have 240 watt in the doors sounds well better than what was there the tweeters tho as yet i haven had the time to change them but i will get to it at some point............ but marcusgrant.. is right with a sub in the car the standerds work well i have a 1000watt kicker in running a 450 watt fusion amp and the standered door lads and tweeters sounds really well..........