Flowmaster Super 40 vs Delta Flow 40
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Freshman User
Joined: Apr 2004
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Flowmaster Super 40 vs Delta Flow 40
I have a 04 FX4 5.4 and just had a flowmaster delta flow 40 single in dual out installed. It sounds good, but not as loud as I had hoped. Was wondering if anyone is running the step up, the Flowmaster Super 40 and what they think.
Thanks in advance for any input.
Thanks in advance for any input.
Senior User
Joined: Jul 2006
Posts: 425
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From: Ottawa, Canada
The super 40 should be louder, however it resonates in the cab. If you want it really loud then cut out the rear cats. Check out www.flowmastermufflers.com
Post Fiend
Joined: Jul 2006
Posts: 6,948
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The other option would have been to use the FM Delta force single chamber muffler. Unlike either of the 40 series mufflers, (2 chamber), the single chamber is half the size, resulting in real loud. Still sounds like an Fm. The muffler is available in offset, as well as center configurations. If loud is what you are looking for, this is the ticket.
Senior User
Joined: May 2005
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I have had my Super 40 true dual system on for a little over a week now -- I love it -- didnt really like it at first it really wasnt that loud -- but now its perfect -- VERY deep -- SOUND GREAT at start up -- If you really want I can get a sound clip for you somehow... let me know..
Posting Guru
Joined: Sep 2005
Posts: 1,439
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From: Oxford, CT
I was in the same boat.....I had the Flow 40s on my 4.6 and it wasnt that loud at all. It rumbled pretty good, but after a while, i was tired of having Dodges and Chevys scream by me and be MUCH louder and DEEPER. So what I did was I got rid of my 40s and went to straight pipes and dumped it over the axle. Now it sounds like a truck.
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