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1968 Plymouth Roadrunner Performance Mufflers

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Latest Customer Reviews

Flowmaster Original 40 Series Mufflers Reviews


What a Sound!

Reviewed By Rick M (Centralia, WA) Reviewed for a 1970 Plymouth Roadrunner —7/2/2008 6:40 AM

I installed the 40 Series with an X pipe on my 70 Roadrunner.It gives the term "American Muscle" a new meaning.What a sound.One of the best investments I made for my Roadrunner.You guys really came thru.Thanks,Rick

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Flowmaster Street Performance Mufflers Reviews


Flowmaster the only way to go!

Reviewed By Nicholas P (Richmond, TX) Reviewed for a 2014 Ford F-150 —4/25/2017 6:49 AM

I have had the 40 series on my 90 mustang 5.0 a real attention getter. A 70 series on my 2002 Silverado which I loved. Two weeks ago I installed a 70 series on my 2014 F150 5.0. Perfect combination of sound on acceleration and quiet when cruising.

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Flowmaster 40 Series Delta Flow Mufflers Reviews


Solid Muffler. Good Sound!

Reviewed By Nicholas O (Algonquin, IL) Reviewed for a 2000 Ford Ranger —4/19/2017 3:52 PM

Solid construction and good fit because.....its universal! Most of my exhaust is custom since the original rotted out so it sits only a foot off the cat pipe and turned down....if a good rumble is what your after this muffler will suffice but your scenario may differ.

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