no throaty sound with new 40 series flows

GNN60GT500 · Oct 18, 2005

OK this is it- Im going to jump in here and answer the question-

This is based on cutting open old FLowmaster mufflers that have been on different vehicles-

They DO get louder because they rust- some will rust faster then others depending on condensation, which can vary depending on how often the car is driven, and climate-

A muffler shop owner I know has cut them open because he was also curious, and this is what he found- according to him, the first thing to go on a Flowmaster will be the baffle inside coming loose from rust-

Not all Flowmasters are going to do this, but this is just based on his experience-

Hope this answers everyones questions-

Shakerhood · Oct 18, 2005

GNN60GT500 said:
OK this is it- Im going to jump in here and answer the question-

This is based on cutting open old FLowmaster mufflers that have been on different vehicles-

They DO get louder because they rust- some will rust faster then others depending on condensation, which can vary depending on how often the car is driven, and climate-

A muffler shop owner I know has cut them open because he was also curious, and this is what he found- according to him, the first thing to go on a Flowmaster will be the baffle inside coming loose from rust-

Not all Flowmasters are going to do this, but this is just based on his experience-

Hope this answers everyones questions-

Wow, most of theses Guys notice this magical change in only 1 month and you are trying to pass off that they rust out in that period of time? If there is some water in there, the heat should be sufficient to dry it up, unless all you do is make very short trips. That was my argument anyways, the muffler would have to be physically altered to change the sound, such as rust in order to change the sound.

Shakerhood · Oct 18, 2005

CoupedUp said:
Straight from the source huh
Are these the same guys that designed the cat-backs with too small of a ball-socket flare on the kits.

"Tech department"

They get louder, period.

The Ball and Socket matched up with my Bassani X Pipe with no problem, and my sound sure hasnt changed over the last 5 years. You have given no Technical facts that can back up your Theory.

fiveohGT · Oct 18, 2005

89lxsport50 said:
When you roll the windows down they get louder.

the mystery is solved

huRACEmentPSR · Oct 18, 2005

maybe someone can help me with my mystery. i have bbk shortys, an offroad h, and 40 series with turndowns. i got the mufflers from a friend used, and they had been on a car, so they are definitely "broken in" if there is such a thing. my motor is definitely not stock, however the mods are unknown, and my car pulls 290hp to the wheels. my exhaust is 2 1/2," but the mufflers have a 2 1/4" turndown (if that makes a difference). not only are the flows quieter than the dynomax superturbos i had on before, but my car is QUIETER than my buddys 95 cobra, which has bassani shortys, aftermarket catted h-pipe, and 40s without turndowns. the cobra has no major mods. we came to the conclusion that maybe his bbk fenderwell intake does it? im still running the stock airbox with a k&n drop in. anyone know what gives?

Dean85GT · Oct 18, 2005

huRACEmentPSR said:
maybe someone can help me with my mystery. i have bbk shortys, an offroad h, and 40 series with turndowns. i got the mufflers from a friend used, and they had been on a car, so they are definitely "broken in" if there is such a thing. my motor is definitely not stock, however the mods are unknown, and my car pulls 290hp to the wheels. my exhaust is 2 1/2," but the mufflers have a 2 1/4" turndown (if that makes a difference). not only are the flows quieter than the dynomax superturbos i had on before, but my car is QUIETER than my buddys 95 cobra, which has bassani shortys, aftermarket catted h-pipe, and 40s without turndowns. the cobra has no major mods. we came to the conclusion that maybe his bbk fenderwell intake does it? im still running the stock airbox with a k&n drop in. anyone know what gives?

Maybe one car has just more general "engine noise" coming from it than the other. Its really hard to compare two seperate cars with similar mods because they always seem to have their own sound....

huRACEmentPSR · Oct 18, 2005

yeah, two motors never sound the same, but its just wierd that my catless exhaust is quieter than my buddys catted. is my car special or something? i have been told from the start that o/r h with flows would be LOUD possibly too loud for comfort. and here i am with a quiet ass exhaust. it just doesnt make sense

wythors · Oct 18, 2005

Flowmasters "break in"?!?!?!?!?

You guys slay me!!!! I've had Flows on my car for 8 years. The only time the sound changed was when I put my x-pipe on. "Break in". Get a grip.

cevtv · Oct 18, 2005

Shakerhood said:
Well its been fun going back and forth about all of the Theories why people imagine their Flows are getting louder, but today we can end it with FACT. I called Flowmasters Tech Department, remember these are the people that design, manufacture and test these exhaust systems. I was told the sound of a Flowmaster WILL NOT change in sound over its life. Every Theory that was posted on here was completely debunked by the Tech Department!

cevtv · Oct 18, 2005

CoupedUp said:
Straight from the source huh
Are these the same guys that designed the cat-backs with too small of a ball-socket flare on the kits.

"Tech department"

They get louder, period.

Geez.........admit it, you have been

Shakerhood · Oct 18, 2005

wythors said:
Flowmasters "break in"?!?!?!?!?

You guys slay me!!!! I've had Flows on my car for 8 years. The only time the sound changed was when I put my x-pipe on. "Break in". Get a grip.

Thank You!

Shakerhood · Oct 20, 2005

Mopar1970440 said:
yeah i never noticed a change in my flows i had for over 3-4 years.....i figured they might get quieter if anything as carbon builds up in them over time and kinda dampens the sound....but never noticed a change.

That is my thought too, if anything extensive carbon build up would dampen sound and restrict flow.

CoupedUp · Oct 21, 2005

Shakerhood said:
The Ball and Socket matched up with my Bassani X Pipe with no problem, and my sound sure hasnt changed over the last 5 years. You have given no Technical facts that can back up your Theory.

At what temperature does an aluminized alloy melt ...
At what temperature does it distort or change temper.

I supposed you also have not noticed the deeper tone when you have the a/f ratio fat either

Look, you don't hear the change, fine ... take the Tech Departments word for it.

I'm done ... you win. They don't change tone, just the majority of us have witnessed ..... cool, I can leave it at that, can you?

Shakerhood · Oct 21, 2005

CoupedUp said:
At what temperature does an aluminized alloy melt ...
At what temperature does it distort or change temper.

I supposed you also have not noticed the deeper tone when you have the a/f ratio fat either

Look, you don't hear the change, fine ... take the Tech Departments word for it.

I'm done ... you win. They don't change tone, just the majority of us have witnessed ..... cool, I can leave it at that, can you?

What Tech Department did you think I should have checked with, Tampax? Come on, Flowmaster makes and test them, Mine has not changed sound at all and I contacted them to prove a point thats all. We never discussed making engine changes having an effect on the sound as that will change it, but its also not distorting metal in the process. I also believe Flowmasters are made from 16 Gauge Steel and coated with aluminum on the outside to prevent corrosion, so the temp would have to be pretty damn dramatic.

CoupedUp · Oct 21, 2005

Shakerhood said:
What Tech Department did you think I should have checked with, Tampax? .....

Maybe if you were suffering from TSS

All I'm saying is I could call their "tech dept" and ask them why both sets of my Flows got a little deeper and then I would get a different answer from a different "tech guy". Am I willing to call them and find out: NO. I will just take your word for it

I have experienced it with 2 sets of Flowmasters ... nothing substancial, but definitely deeper.

Shakerhood · Oct 21, 2005

CoupedUp said:
Maybe if you were suffering from TSS

All I'm saying is I could call their "tech dept" and ask them why both sets of my Flows got a little deeper and then I would get a different answer from a different "tech guy". Am I willing to call them and find out: NO. I will just take your word for it

I have experienced it with 2 sets of Flowmasters ... nothing substancial, but definitely deeper.

Over time, if your engine falls out of tune or you make some other changes your Flows may have had a slight change. There was enough people on here really discrediting themselves saying that their Flows got twice as loud after this so called break in in 2 and 3 weeks time which is just bogus! Feel free to call Flowmaster at 1-800-544-4761, I did not mislead them with the question to give me the answer that I wanted either. I asked straight up "will the sound of the Muffler change". They responded with, "there is nothing in a Flowmaster that breaks in, so the sound will not change over the life of the muffler"!

STANGateURlilSS · Oct 21, 2005

95COBRA241 said:
From the flowmaster website, they state that their "delta flows" are quieter than their "original flows" in both the 40 (2 chamber) and 50 (3 chamber) series. Also rumor has that x-pipes don't sound as good with chambered mufflers as a h-pipe. I know from experience that the x is quieter than an h so I switched back.

x-pipes sound better with a packed style muffler or a spintech.. dynomax ultra flo, dynomax turbo, hooker aero chamber, etc.. or a spintech.. x-pipe and no cats and spintechs.. at wot.. not a roar like an h-pipe and flows.. its becomes a scream much like a busch series or nextel cup car...

5.02GO · Oct 21, 2005

Yes......Deeper

CoupedUp · Oct 21, 2005

Shakerhood said:
Over time, if your engine falls out of tune or you make some other changes your Flows may have had a slight change. ....

No actually the mufflers changed tone after about a month of daily driving in moderate weather ... but, it's all in my head and I can live with the psychosis.

Shakerhood · Oct 22, 2005

http://www.flowmastermufflers.com/advantage.html

Take a few minutes and read this page from Flowmaster! Its tells you about sound change from OTHER Style Mufflers, so you can throw out another one of your Theories of getting answers from different people in the Tech Department.

no throaty sound with new 40 series flows

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