Midas Mufflers

in 1994 when i had put my first 40,000 on my 1985 500sel (88,000) my muffler needed replace ment so i took it to midas and had my muffler done and well its 6 years later and a 130,000 miles later i found a dime hole in the circle box after the pipes on the back end. Do you think midas will do the free replace ment.
p.s. sorry im still not sure on mufflers sorry about the lingo

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Dan Younes
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1985 euro 500sel 220k
1981 300sd 278k sold
1979 240d 298k sold
1983 300d 272k sold
1989 chrysler 2.2l Turbo
Leabaron 130k
1991 300e 2.6 (hopefully soon)