No, Dynamat is not the best, and is not worth the money. Go to elitecaraudio.com if you want to learn alot about car audio. A guy there sells some stuff thats just as good as Dynamat, but for alot cheaper. Check it out.
95 Eclipse gone, meet the Lude. Now driving 97 Honda Prelude. Fast, but a few mods wouldnt hurt. How about a Cold Air Intake for starters...