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04-30-2020, 10:41 PM | #1 |
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Join Date: Jul 2015
Location: South Orange County CA
Posts: 1,259
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Quiet muffler needed - any recommendations?
Looking to replace the rusted one, would like something quiet. It’s just a 1963 C20, 292, 4speed. Cheaper the better.
Hoping someone here has found something that may fit the bill. Looks like a 2” pipe, however, I can always use an adapter. Thanks. Posted via Mobile Device |
04-30-2020, 11:06 PM | #2 |
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Join Date: Dec 2012
Location: Temple City
Posts: 3,560
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Re: Quiet muffler needed - any recommendations?
The secret to quiet mufflers is honestly the bigger the better, and avoid straight through versions as a general rule.
To that I would add a resonator roughly 2/3's the length of your muffler. Even cheap glass packs do quite well as a resonator. A year ago I picked up a brand F 6.2 muffler for $9, and a promise to haul it away from a 3/4 ton truck. It was very quiet on my bolt on 350 with just a turn down. I stuck a small glass pack on it, and it was stealth. Although it was just at idle, and me stabbing the gas. Also a larger diameter pipe does not nessacarily mean more noise. Muffler design does more then let's say 2-3 inch pipe sizes, but typically you can get a slight bump in power. Provides the muffler is not the same muffler for 2-3 inch pipes. |
05-01-2020, 12:44 AM | #3 |
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Join Date: Mar 2008
Location: Tullahoma, TN
Posts: 406
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Re: Quiet muffler needed - any recommendations?
I had a 250 inline 6 in my 71 GMC and I put a Cherry Bomb Turbo muffler on it and it was cheap, like $30, and it was fairly quiet also. I mean it had a small rumble, but when I drove by you on the highway, you couldn't even me go by, at least that's what my buddies complained about. "Quiet" is a relative term. I only had about 500 miles on it and took it off for a V8 with duals. Too bad you're on the other side of the world or I'd give it to you. It was a 2" pipe also.
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05-01-2020, 02:22 AM | #4 |
Post Whore
Join Date: May 2015
Location: Alabama
Posts: 14,583
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Re: Quiet muffler needed - any recommendations?
I havnt tried them yet but I have a set of walkers superquite highflow mufflers...i also have a set of dynamax knockoffs like are on my C30, but longer...I'm gonna try them both when I get the truck running and see which I like better
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Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver |
05-01-2020, 10:28 AM | #5 |
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Join Date: May 2012
Location: horseheads,ny rust belt
Posts: 2,794
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Re: Quiet muffler needed - any recommendations?
the guy next door didnt know i was plowing snow at 6am in the morning unless he was up to watch . he said my muffler is real nice and quiet for people trying to sleep .
truck is a 1ton 4x4 with a 250hp 350 sbc engine . single 3" in/out muffler . walker stainless steel quiet flow series . . . heads up it does rust but not near as fast as reg mufflers . got mine off rockauto .
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77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
05-01-2020, 09:41 PM | #6 |
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Join Date: Feb 2013
Location: central California
Posts: 2,726
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Re: Quiet muffler needed - any recommendations?
Maybe your local muffler guy can make you a good deal on a factory muffler that he pulled off a newer truck when someone got a cat back system or whatever. Maybe even a pull it yourself junkyard. Heck sometimes I even see factory systems dumped on the sides of country roads where losers dump their garbage.
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05-01-2020, 09:51 PM | #7 |
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Join Date: Jan 2013
Location: Eastern TN
Posts: 1,919
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Re: Quiet muffler needed - any recommendations?
Cherry bomb or glass packs are definatly not the ticket. I have used them as resonators before as was mentioned.
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05-01-2020, 11:32 PM | #8 |
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Join Date: Jan 2001
Location: Orem, Utah
Posts: 7,795
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Re: Quiet muffler needed - any recommendations?
Cadillac mufflers are what I've used in the past when I wanted quiet.
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I have sworn upon the altar of God, eternal hostility against every form of tyranny over the mind of man. - Thomas Jefferson |
05-02-2020, 01:56 PM | #9 |
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Join Date: Feb 2012
Location: pleasant valley--placerville ca
Posts: 3,039
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Re: Quiet muffler needed - any recommendations?
I think this is the one i used, from summit $26.99. This was on a single exhaust 350 and its really quiet.
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05-12-2020, 10:00 PM | #10 |
Registered User
Join Date: May 2013
Location: Greenwood, IN
Posts: 376
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Re: Quiet muffler needed - any recommendations?
Walker quiet flow SS. They are amazingly quiet.
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