I didnt remove the crossover i just tested it like it came from the factory. I dont really think it will be much better though its in a factory sealed enclosure so i didnt even need to really mount it into a box.
The box i used is from a 7" klipsch woofer. Its 10X11X9.5 made from 1/2" mdf with a 2.25 X10" port. My calculation tool says its .44 cuft with a tunning of 50hz that seems pretty close to ideal demensions for this size of speaker dont you? The woofer this box was designed for is a 7" ROUND driver but a 6x8 oval looks very simmilar in size IMO its close enough.
The white stuff in the back of the componet enclosure is some sort of batting, its not class but its somthing simmilar.