Free Flowing Quiet Mufflers??

hipo_p51 · Jun 25, 2010

Hi all, who is running or knows of a muffler brand that on the quiet side. I have run magna flows, flowmasters, spintech and others. I drive the car more and want something on the quiet side. Any Help??

Wicked65 · Jun 25, 2010

Im not sure if free flowing and quiet are on the same page. Maybe magna flow mufflers over magna packs, but really, any chambered muffler is going to have restriction.

90lxcoupe · Jun 25, 2010

Magnaflows are usually pretty quiet, mabye run a small race type(bullet style) muffler right before the regular muffler like a resonator to quiet it down more

JonK · Jun 25, 2010

Have you seen the new dynomax VT's? They are similar to the Ford perf. ones with a valve to keep them quiet and go to straight through at WOT. I'm really considering these if i can find some feedback/reviews on them. They're SS and have lifetime warranty, plus 90 day perf. guarantee (that they perform well and you'll like the sound I guess?).
Summit has a $25 rebate on dynomax too.

Dynomax Performance Exhaust | Mufflers | Dynomax VT Muffler

Feedback on these anyone?
Jon

j69302 · Jun 25, 2010

I had dynomax super turbos a while ago. they were quiet at idle and cruise and had a nice tone at high power.

blown65 · Jun 25, 2010

The magnaflows in a straight thru design are pretty quiet. I dislike chambered mufflers, rob too much power.

crimsonclint · Jun 25, 2010

I have a set of Dynomax(not sure of the model) but they were quiet for me on my '67, it was stock at the time if that helps and as a matter of fact I won't be using them when my rebuilt motor goes in b/c I like loud so you could acquire them if ya want..

D.Hearne · Jun 25, 2010

X3 on dynomax's. I've got a set on my V8 Ranger and with an equalizer chamber ahead of the turbos , combined with full tailpipes, it's pretty damned quiet with just a hint of mellow tone

hipo_p51 · Jun 26, 2010

thanks for the replies, i will give the dynomax mufflers a try.

2+2GT · Jun 26, 2010

I'm tempted to try these- I like control, and these are either loud or quiet depending on what you want.

htwheelz67 · Jun 26, 2010

2+2GT said:
I'm tempted to try these- I like control, and these are either loud or quiet depending on what you want.

E]

yea but man they are expensive.

2+2GT · Jun 26, 2010

htwheelz67 said:
yea but man they are expensive.

Well, lessee, stainless steel inside and out, zinc-plate servo. You'll never buy mufflers again.

Realmongo · Jun 26, 2010

D.Hearne said:
X3 on dynomax's. I've got a set on my V8 Ranger and with an equalizer chamber ahead of the turbos , combined with full tailpipes, it's pretty damned quiet with just a hint of mellow tone

Are you running the Super Turbos or the new straight through versions? I have the Super Turbo version now and was thinking of swapping to the new straight through style but was concerned over noise.

D.Hearne · Jun 26, 2010

Realmongo said:
Are you running the Super Turbos or the new straight through versions? I have the Super Turbo version now and was thinking of swapping to the new straight through style but was concerned over noise.

Mine are at least 5-6 years old, bought from a local muffler shop, so I can't really tell you which ones they are.

Realmongo · Jun 26, 2010

You probably have the same ones that I do on my '84.

tx65coupe · Jun 29, 2010

I prefer straight through to chambered. I run Dynomax Ultraflow. I had Flowmaster before and can't stand them.

It looks like you want something quieter than that. Of the straight through mufflers, Magnaflow is the most mellow I have heard. It does sound really nice though.

You might consider Dynomax Super Turbo. They are not loud. They just give it that nice V8 rumble.

I like those 2 way mufflers 2+2 posted.

How quiet do you want it?

bnickel · Jul 27, 2010

i'm planning on running a set of the Dynomax "Hemi" Turbo muffs on my 69 Cougar. they are basically just a regular dynomax turbo but they have a good bit longer case, about 4-5" longer IIRC. might be a tight fit but shouldn't be a problem.

alternatively, you could run a late 70's cadillac eldorado muffler. Hot Rod (or maybe it was Car Craft) magazine did a muffler shootout back in the mid 90's or so and the Eldo muffs were the quietest of all the muffs tested and were like 3rd in airflow which is pretty darn good

tx65coupe · Jul 28, 2010

Thats good to know about the Cadillac muffler. I would never have guessed that.

spirockp · Jul 28, 2010

hipo_p51, I have a set of magnaflows that are an exact replacement for a 64 - 66 Mustang. There is no restriction and are very quite. I actually think that are too quiet.

Peter S.

68RCodeConv · Jul 30, 2010

Research I did indicated that Dynomax Super Turbos were the quietest of the turbo mufflers. I have a 462 cubic inch FE motor with 428CJ exhaust manifolds feeding a 2.5" exhaust system with these mufflers. It is very quiet at idle with just a slight rumble and never has any resonance as you rev it up.

Free Flowing Quiet Mufflers??

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