Tastefully loud in varying degrees with a classic sound: straight piped, glass packs, or muffler if your choice with tails out the back
Loud: muffler of your choice with turn downs in front of the rear axle or turnouts in front of the rear tires
Louder: glass packs with turn downs in front of the rear axle or turnouts in front of the rear tires
Loudest : straight pipes with turn downs in front of rear axle or turnouts in front of rear tires

Some people hate the once-popular Flowmaster or any other chambered muffler now, but mine sounds pretty decent, however I'm considering going back to glass packs for that classic sound I had way back in high school. My system isn't welded, so I can change it up any time I want.

 

Will pure straight pipe dumped at the rear axle cause a droning noise? I've seen that mentioned often about straight piped Mustangs

 

One thing you will experience with a shorter exhaust system is fumes in the cabin. Which I personally think is very annoying.

Glass packs will get louder over time, so you might be disappointed at the beginning.

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I see these are 2.5 inch, didn't immediately see any 2 inch options on their website. Would it be as simple as buying some type of adapter to fit these onto my 2 inch pipes?

 

Put tailpipes on it.
Dumps under the car aren't legal in my state for cars that need inspected (not usually an issue with antique tags). They are illegal because they will kill you in the right conditions. Carbon monoxide isn't cool.
A stock cam 289 isn't very loud. Straight pipe, glass pack, or another very small muffler like a Flowmaster 10 is as loud as it's gonna get.

 

Understand something, just because your car is loud doesn't mean it sounds good. A stock engine without a muffler, or a loud exhaust system, sounds like crap to anyone that knows anything about engines or fast cars. If you want your current engine to sound good, use a dual exhaust system with decent mufflers. The really good sounding engines have compression, high performance cams, and exhaust headers at a minimum.

 

This, a stock engine with open exhaust sounds like a demo derby car. Definitely not a fast or cool sounding car...
I can promise the looks you will get from people will not be of admiration.

 

If you do this,, please don't drive in my neighborhood.....

 

If you want your car to sound like a tractor, it would be easier to just buy a tractor.

Have you ever ridden in a “loud, loud” car at highway speeds? It’s very unpleasant.

 

Back in the old days, we would use 57 Ford drive lines for straight pipes.
The front of the drive line had incremental decreasing diameters.
We would cut the front off at the diameter of our exhaust and weld it on.
Cut the rear off at a 45 degree angle and dump it just in front of the rear tires.
Just kids having fun. Remember?

 

I agree with the above.
I like a tuned kind of loud, not an obnoxious kind.

The exception may be for a few minutes of enjoyable immature self (and a few of someone else's neighbors') torture because of boyish mischievous laughter in a HOOOLEEEE CRRAAAAP THAT'S LOUD!!! lap around a block in something that sounds like an angry pulpwood truck and makes the driver and his buddy howl with laughter that no one can hear over the racket and leaves their faces and ribs a little tender when they get back to base of operations before the first police call goes through....
Not that I would ever do something like that

Anyway, I rode around with 2 chamber 40 Series Flowmasters with turn downs in front of the rear axle for about a dozen years, it had a nice deep rumble that got a lot of compliments but I grew tired not of a drone but about 35 mph cruising you couldn't hear a conversation in the car very well. Didn't matter much when I was by myself but as I shared the car more with my growing family and such, and maybe just wanting something different, I finally put tail pipes back on it. It still sounds good, more class I think, buy I'm again thinking of some glass packs to get that youthful feeling of fun I got at 16 when Johnson's Muffler Shop put on my first duals.

 

These systems are nice. With a nice growl & bark.

 

Flowmaster sounds

 

My Arvinode Exhaust is over 100db on a healthy 331. All the loud you will ever need! And you can tell the officer it's a factory reproduction exhaust when you get pulled over.

 

CherryBombs are not cheap, they are just inexpensive
You can start with some short ones then when you grow tired of them its easy to add longer ones into the system.
Axle dumps with a carbureted car are a bad idea, IMO.

 

CherryBombs are not cheap, they are just inexpensive

and sound like crap in my opinion. That goes for any brand glasspack style muffler. Any good brand performance muffler sounds better than glasspacks.

Here's a good video comparing glasspacks against the classic Flowmaster muffler.

 

Appreciate everybody's responses. Learned a lot from each one. I'll update once I figure out what I'm doing. Definitely wnat it loud but sounds like I need to slow down just a bit and have a balance between a nice sound and a loud one. Again thanks for all the responses and I'll post an update as soon as I have one. Otherwise, keep the advice coming!

 

I run old-school Flowmaster mufflers with tail pipes and try y headers it is extremely loud. I like the sound however. Back in the day I ran mac mufflers on a fox body and they were also very loud and sounded good too but I think they may have gone out of business. Definitely run tailpipes you don’t want those fumes in the cabin.

 

Okay so here’s my thoughts a cam and compression makes a car sound good
All of the below tones the sound
The muffler does it’s job
Resonators take out drown
Cats are for the epa
X pipe is raspy and higher rpm
H is old school deep
4-1 Headers similar to x pype
Tri ys simmilar to x

I’m running a 4-1 header
X pipe
And 2 black widow widow maker 10s side exit
no drone
Costed me $500
All 2.5

 

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My 393c with Black Widow Race Venoms

 

My 393w with a big roller cam, 11:1 compression with headers using 2 1/2" exhaust on Flowmaster 44's.

 

If you want decent sounding and loud it needs to have some sort of cam and decent compression. The Arvinode sounds awesome! Dynomax race bullets sound beast but I wouldn't want them on something I drive all the time.

For most cars that are stock or mild, I generally suggest Dynomax Super Turbo, or Ultra Flo, or Magnaflow, or Pypes.

Flowmaster and similar chambered mufflers sound like a galvanized garbage can echo under a truck.

Dumps are crap for a street car in my opinion. They are fun for about a weekend worth of driving or maybe on a track only car, but don't like how they sound anyway. I would run side exit with bullets for a vintage race car sound.

 

I personally feel that dumps muffle the sound a bit, instead of exiting the back. Mine dump just OVER the rear axle.

I went with Flowmaster Series 10's that someone mentioned earlier. I also have shorties, full custom stainless, and a mild cam in my gt350 motor.

It's pretty loud but that's very subjective. Pic below showing just how small these mufflers are ......

 

I personally feel that dumps muffle the sound a bit, instead of exiting the back. Mine dump just OVER the rear axle.

I went with Flowmaster Series 10's that someone mentioned earlier. I also have shorties, full custom stainless, and a mild cam in my gt350 motor.

It's pretty loud but that's very subjective. Pic below showing just how small these mufflers are ......

A dumped exhaust does muffler the exterior noise somewhat but at the expense of the passengers riding inside the car. Since the exhaust is directed at the ground it is deeper and quieter outside of the car but interior noise is amplified by resonating under the car.

 

Maybe use the exhaust as is and add the old Baja Bug stinger megaphone.

 

The smallest they come is 2.25" I believe (2.5" more common) but an easy way to get loud when you want to is to install electric exhaust cutouts and have a full exhaust with mufflers for when you'd like to hear yourself think. About $400/pr at cheapest but your exhaust system could grow with them as you replace it.
I know a guy with these on a 6.0L Ponitac GTO, he loves opening them up next to fart can cars at the flip of a switch.

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Go big or go home.

 

I was having trouble coming up with a good mental image for this post, but you my friend nailed it. At first I thought that 2x wing was all wrong, but then I realized it’s FWD, so it’s actually pretty well engineered.

 

I see a thread in the future that my exhaust is to loud.

 

Engine masters did a muffler test on the 3 different types of performance mufflers. The straight through ones like magnaflows and glass packs are the loudest. Next is the flowmaster type. And the quietest are the turbo mufflers. Sounds like you're looking for magnaflows, borlas, or one of the cheaper copies.

 

Magnaflow is definitely not louder than Flowmaster. The actual order of loudness is small glass pack, one chamber muffler, two chamber muffler like Flowmaster, longer glasspack, Magnaflow and similar, Turbo style.

 

When a loud fart can equipped car goes by us, my wife says "He thinks he is mas macho."