Here is a review left by a customer on a product. Would you say he was satisfied or dissatisfied?
Title: Save your money
Review: I started with the speaker packs. I saw very little result. Then dynamat said, well you really need to do the whole door, so I did. $400 later, I still have as much road noise as before and I covered my entire door frame on all 4 doors.Don't buy in to the hype.
