I just wanted to tell you guys thats I had MA audio XL12's with a MA AUDIO 1200 watt amp in a Small sealed box that was probaly no more then 1.2 Square feet in volume It kicked decent but I knew my subs were not at their full potential....

I started talking to people and everyone told me to try a ported box

SO me and my friend attempted to make a ported box....
I made the measurements 38.5x14x18 it came out to approximetly 2.1 cubic feet with 4" by 12.5" ports. It took us 3 days but we made it. the thing is solid and I was surprised how perfect it came out, i don't think i can make it any more airtight.

well I plugged in my subs and turned it on ......
all I can say is WOW!! the thing kicked 3x harder it was amazing

all I have to say is you can have the best subs but if they are contained in a Crappy Enclosure then they are a waste!

now I have way to many rattles can you guys help me out
-- that whole panel that holds the rear interior speakers
-- When the trunk is closed the part that holds the
M A X I M A emblems rattles the worst! I tried stuffing a folded up towel in there but no luck

Thats mostly it any tips appreciated! thanks guys