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How Much Louder is a SMF Over a DMF
It doesn't make a sound past 40mph. Just annoying as shit putting around town. That truck isn't my daily though so I've just lived with it. Sent from my iPhone using Tapatalk- AZ6point9
- Post #28
- Forum: 6.9L IH & 7.3L IDI Diesels
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How Much Louder is a SMF Over a DMF
Appreciate the info. I plan on pulling it apart before too much longer because it annoys the shit out of me. Sent from my iPhone using Tapatalk- AZ6point9
- Post #27
- Forum: 6.9L IH & 7.3L IDI Diesels
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How Much Louder is a SMF Over a DMF
tbh I'm not sure if my truck has a worn out dmf or is converted to sm, as the PO did a zf5 swap over 10 years ago but i do know its loud.- AZ6point9
- Post #24
- Forum: 6.9L IH & 7.3L IDI Diesels
