Mufflers difference?
#2
Super Boss Lawman Member
Got this from a different forum.
Glasspacks are also typically more raspy and give out a popping noise when slowing down using engine braking.
The difference between a chambered muffler and a Gp is, a glasspack is a straight through style muffler with little tiny perferations poked inside the tube. These perferations are designed to absorb the sound waves so that the fiberglass packed inside the shell can absorb the sound. A chambered muffler uses chambers to deflect the sound giving that unique tone. Since the GP is a straight through design with hardly no resistence, they will outflow any chambered muffler. The only thing is, GPs have a unique sound that only some people like. The majority of the people here are against them here because they tend to have a
"redneckish" association with them
"redneckish" association with them
#5
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It really comes down to this: Do you like to talk and listen to the radio when you drive, or is the engine the only thing that you want to hear. If the former, chambered. If the latter, glasspacks.
#6
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I have original 1966 Shelby Cobra side pipes, but that's a little bit different than your dilemma. I would go with the chambered or some really long glasspacks so you get throaty instead of tractor trailer.
#7
I decided to leave the exhaust the way it is right now since,i could not decide what to do and start working on the ignition.
I will eventually put a larger camshaft, will the mufflers make a bigger or smaller difference once i do the camshaft?
I will eventually put a larger camshaft, will the mufflers make a bigger or smaller difference once i do the camshaft?
#9
It does have headers, h pipe and i believe it is 2 1/4.... But i do not think it has performance mufflers....
But soundwise.... when you put a bigger camshaft can you really notice that it has performance mufflers?
But soundwise.... when you put a bigger camshaft can you really notice that it has performance mufflers?
#10
Mach 1 Member
Originally Posted by HOSS429
as BA sort of said ... you want glass packs on your long wheel base 4 wheel drive hijacked chevy truck ... you want flowmasters on your car ...
#11
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Talking to an old guy 'Mac' who just sold his shop after 30 years of doing mufflers for auto's, hotrods, etc.; I asked how come today's axle backs sort of have have that nasal sound and not like 'back in the day'. He said you need some length of tailpipe after the mufflers. Many a hot rod has glass packs midway back and then tailpipe the rest of the way out the back. I love that sound myself.
And yes I have 30" glass packs on my F150 from him. Mellow. Not tractor.
My '69 GMC 2 ton cattle truck with a 350 has two big ol chambered mufflers (4" x 30" prox) right after the H style crossover, with a short 90* 'tailpipe' that terminate just past the cab. Tractor. Big time.
The only change I would ever consider on my Bullitt would be the KR's: M-5230-S. But the bastards are still holding out and screwin' on the price.
Last edited by cdynaco; 4/19/12 at 03:15 AM.
#13
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Classic Inlines Arvinode (sp?) exhaust has a really great sound. I have it on my '66 I6 and love it (I also bought their dual-out header but it's a single exhaust). It's much like a GP but about 3 or so feet long with an additional resonator near the tail pipe and to me, the sound is fantastic. Anyone else have one?
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