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Joined: Sep 2005
Posts: 1,007
R
'Bolter
I am about to install Fenton headers and a dual exhaust. I want the extra power but I would like a low growl rather than something too loud... it’s a 1954 235... any suggestions for mufflers?

Last edited by Peggy M; Fri Jun 02 2023 03:50 PM. Reason: added more info to the title

1953 3/4-Ton Chevy

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RB53
Joined: Mar 2010
Posts: 10,724
5
Renaissance Man
Have you ever heard a 235 with dual exhaust once the gas pedal was hammered? You may well find that it is a racket which you would like to silence quite a bit. Personally I find that noise irritating to the ear. I am not against dual exhaust, just the clattering racket with a 235.

Joined: Oct 2012
Posts: 149
D
'Bolter
I have a 1949 PU with a 235. I installed a 53/54 corvette exhaust manifold and Porter mufflers. A little noise but not that loud.

Joined: Feb 2004
Posts: 26,977
H
Kettle Custodian (pot stirrer)
Originally Posted by rust bucket 53
I want the extra power but I would like a low growl rather than something too loud... it’s a 1954 235

Where is this "extra power" supposed to be coming from? With a cylinder head design from the 1920's, the only thing a dual exhaust system adds is another pipe and muffler to rust out, and a lot of extra expense. The constant ringing in my ears called tinnitus makes me wish I'd been kinder to my hearing a few decades ago.

I have invited several people to show me chassis dyno results of power they added by installing the popular dual carburetors and/or dual exhausts without making extensive internal engine modifications, and so far nobody has been able to document the alleged improvement they were looking for.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
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Joined: Jan 2019
Posts: 1,362
F
Herder of Cats, Goats, and Sheep (moderator)
But Jerry, headers are second only to stickers for bonus power. Everyone knows that!


From the Rocky Mountains?
Check in with the RM Bolters!

HiPo Forum Moderator

1958 Apache, long bed Fleetside, V8 w/SM420
Driveable but the rear axle needs work.

1959 Apache, long bed Fleetside that has been in the family for 25 years but in desperate need of love.
Joined: Oct 2005
Posts: 4,038
"Hey! I sound like Darth Vader!!
My added power is off the charts.

OP, I believe that Magnaflow and a few other manufacturers have sound bites on their web sites. How that translates accurately to your ears from a real life sample, I don't know. But, at least, it will give you an idea of sound along with the manufacturers description.

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Joined: Mar 2010
Posts: 10,724
5
Renaissance Man
Originally Posted by MNSmith
My added power is off the charts.
Sick brah!

(That's what the kids are saying these days, I think. They mumble.)

Joined: Jan 2019
Posts: 1,362
F
Herder of Cats, Goats, and Sheep (moderator)
Originally Posted by 52Carl
Sick brah!

(That's what the kids are saying these days, I think. They mumble.)

I am pretty sure that is what the kids were saying 30 years ago...


From the Rocky Mountains?
Check in with the RM Bolters!

HiPo Forum Moderator

1958 Apache, long bed Fleetside, V8 w/SM420
Driveable but the rear axle needs work.

1959 Apache, long bed Fleetside that has been in the family for 25 years but in desperate need of love.
Joined: Feb 2000
Posts: 4,725
J
'Bolter
The loud deep tones comes from high compression, low compression engines just rattle the pipes. Any muffler that fits that's not straight through will be good. Hollow core mufflers ( Flow Master ) will rattle the pipes.

Joined: Jan 2014
Posts: 3,137
J
'Bolter
I think the deceleration cackle is the annoying part of a stovebolt dual exhaust.

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