cheap sound deadener?

[capev86]

hello all...

before i put a headliner in my suburban, i want to do some kind of mild sound insulation on the ceiling panels. looking at dynamat prices it looks like it will cost like $300 to do that. i don't want to spend that kind of money. is there an alternative from a different source that would work. i'd go with a spray on kit but that would require a lot of masking off and be hard to remove if i needed to get to the sheet metal for whatever reason. as for headliner, i will probably go with stuff from lowe's or home depot for that more factory look like some others have done.

thanks