For subscription assistance or address changes, email [email protected], call 800/777-2668, 386/447-6385 (International), or write to Mopar Muscle, P.O. Box 420235, Palm Coast, FL 32142-0235. Please include name, address, and phone number on any inquiries. Occasionally, our subscriber list is made available to reputable firms offering goods and services that we believe would be of interest to our readers. If you prefer to be excluded, please send your current address label and note requesting to be excluded from these promotions to Source Interlink Media, LLC, 261 Madison Avenue, New York, NY 10016, Attn.: Privacy Coordinator
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