not sure if this goes here but.. A few days ago i tested my system with the trunk open and yes it got way louder well today i spent about 2 hours foaming off around the false floor and wall and yet I'm still getting tons of air in the trunk I'm clueless as to where it could be going in at this is a cobalt I'm beating out of the backseat if anyone knows the designs on these cars or how i could track down how the airs getting back there would be very helpful at this point pics below id like to finish maken the backseat nicer and cleaner but not until i fix this problem