Dynamat is a great product, but try another called FatMat. FatMat is a little thinner, but works the same. You can check out www.fatmat.com or find it in huge rolls on ebay. You pay a lot for Dynamat because of the name.

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Ed
-1984 Mercedes 190D 2.2 5-speed gray market(bought@30,000 miles) (Sold back to original owner@170,000 miles)
-1999 Mercedes E300DT (245,000 miles)
-1999 Mercedes S500 Grand Edition (80,000 miles)