I'm thinking of purhasing this amp and sub:


The sub dimensions are: 5-1/8"D x 35-1/2"W x 11H
Alternatively I could go with this smaller one which would cut the width in half (18"):
So I have placed an order for the F56, but it won't be here until october. Could anyone with more experience tell me if these components would fit in that little dipped compartment space in the trunk, making it flat with the rest of the trunk space? In other words do these components easily fit, not taking up too much trunk space?

Any response is appreciated