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Flowmaster 50 series SUV-Performance muffler

933 Views 4 Replies 5 Participants Last post by  Big D's R/Ts
Is anyone currently using or has had this muffler? If so would you recommended it over the 50 series delta
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I don't have any experience w/ the delta series... However, I replaced 2 40-series Flowmasters with a pair of 50 series, and it fixed the annoying resonance problem I had in my '70 Road Runner. The 383 still sounds great, but it's not deafening in the cabin at 45mph anymore. :)

Hope that helps a bit.
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