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Ford F-450/550 Performance Mufflers

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Latest Customer Reviews

Flowmaster Street Performance Mufflers Reviews


Flowmaster 70

Reviewed By Tim W (MORIARTY, NM) Reviewed for a 1999 Ford F-450/550 —3/27/2014 12:31 PM

I installed the Banks headers on my 99 Class A MH and wasn't about to spend another $500 to replace a perfectly good exhaust pipe. The muffler had to go though! I purchased the Flowmaster 70 series to replace just muffler since this was the last culprit of restriction in the stock exhaust. I wanted a quiet but unrestricted muffler and I got exactly that. It has a deeper sound than the stock but it's still quiet. It fit perfectly and a great price as well. Tim

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Flowmaster Original 40 Series Mufflers Reviews


Flowmaster 40

Reviewed By Larry B (Garden City, KS) Reviewed for a 1990 Ford F-450/550 —3/1/2014 6:20 AM

Best thing I can say about the Flowmaster is that it was made in the USA. Good product; easy install, affordable, got to me in reasonable amount of time. Thanks

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Flowmaster Super 44 Series Mufflers Reviews


Good quality, nice sound!

Reviewed By William H (Taftville, CT) Reviewed for a 2009 Ford F-150 —6/28/2015 6:21 AM

Solidly built muffler, the inlet & outlet ports are true to size so installation was a breeze. Excellent sound with that rumble I was looking for! I would recommend this muffler if you want your ride to sound a little meaner!

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Year Range For Ford F-450/550 Performance Mufflers

Popular Ford F-450/550 Performance Mufflers Part Numbers