Thanks guys
about the 6th, i have no more space to do it. the european car it's too small.
This blue it's a Kawasaki specific color. do you want the color code? i can see it next week! (it's a something like a pearl purple/blu)
Some numbers, over 157 @45hz before the windscreen breaking,but i had no time to try to increase this result. this is the first try. after the windscreen breaking i lose over 1 db
box spec it's:
around 70 litres sealed box (1 sub)
450 litres for the second chamber
HAve a nice day!