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Old 02-01-2015, 10:29 PM   #1
CST10
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Muffler for a 250 engine, what sounds best?

I have a stock 250 engine in my stepside 68. Wanting a little sound out of it other than stock muffler. I have magnaflows on both the Camaro and BB 70 CST10 truck. They sound awesome but different engines all together.

What are ya'll running on the 250 engine? Are you happy with the sound?

Thanks for the help as always.
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Old 02-02-2015, 06:24 PM   #2
GASoline71
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Re: Muffler for a 250 engine, what sounds best?

Split manifolds and run duals. Then you can run any performance muffler and it will sound cool.

Gary
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Old 02-02-2015, 06:48 PM   #3
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Re: Muffler for a 250 engine, what sounds best?

I had a 30 inch glass pack on mine, would love to hear a split header on one.
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Old 02-02-2015, 06:51 PM   #4
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Re: Muffler for a 250 engine, what sounds best?

I looked on YouTube for some sound clips but couldn't really find our trucks. Anyone got some.
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Goldilocks the "Ol School Survivor" 1968 C10, SWB Stepside, 08/15 TOTM, 250 CI 6 cylinder, 3 on the tree, 3.73 rear, 3/5 static drop, 23,500 original miles.
Samson the 1970 CST10, LWB, 462Ci, Turbo 350 tranny, 3.08 rear gear, PB, PS, A/C, AM/FM, 2/4 Drop.
Brutus the 1998 Camaro Z28, 33,500 original miles, LS1, 519 RWHP/497 RWTQ.
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Old 02-02-2015, 06:51 PM   #5
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Re: Muffler for a 250 engine, what sounds best?

How is that 30" glasspack sound?
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Goldilocks the "Ol School Survivor" 1968 C10, SWB Stepside, 08/15 TOTM, 250 CI 6 cylinder, 3 on the tree, 3.73 rear, 3/5 static drop, 23,500 original miles.
Samson the 1970 CST10, LWB, 462Ci, Turbo 350 tranny, 3.08 rear gear, PB, PS, A/C, AM/FM, 2/4 Drop.
Brutus the 1998 Camaro Z28, 33,500 original miles, LS1, 519 RWHP/497 RWTQ.
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Old 02-02-2015, 07:09 PM   #6
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Re: Muffler for a 250 engine, what sounds best?

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Originally Posted by CST10 View Post
How is that 30" glasspack sound?
it's been years since I've heard it its not a very aggressive sound like the smaller glasspacks or loud. not much help I know but it didn't sound like a bumble bee or anything kinda old school sounding in my op.
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Proverbs 3:5,6

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Last edited by Hubscrub; 02-02-2015 at 09:59 PM.
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Old 02-02-2015, 07:25 PM   #7
michael bustamante
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Re: Muffler for a 250 engine, what sounds best?

purple horny, good sounding
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Old 02-02-2015, 07:33 PM   #8
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Re: Muffler for a 250 engine, what sounds best?

I run headers and dual glasspacks. A bit loud but I love it.
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Old 02-02-2015, 07:36 PM   #9
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Re: Muffler for a 250 engine, what sounds best?

https://www.youtube.com/watch?v=auY_U1RPLOg

https://www.youtube.com/watch?v=Q7ZLvxnwSl4

here is a couple of vids of my 250 with true duals. First one is straight piped (cats only) - second has 15" glasspack installed.
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Old 02-02-2015, 07:58 PM   #10
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Re: Muffler for a 250 engine, what sounds best?

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Originally Posted by ChevDog1 View Post
https://www.youtube.com/watch?v=auY_U1RPLOg

https://www.youtube.com/watch?v=Q7ZLvxnwSl4

here is a couple of vids of my 250 with true duals. First one is straight piped (cats only) - second has 15" glasspack installed.
That sounded pretty good. Do you know what kind of glass packs? Any engine mods?
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MyToys:
Goldilocks the "Ol School Survivor" 1968 C10, SWB Stepside, 08/15 TOTM, 250 CI 6 cylinder, 3 on the tree, 3.73 rear, 3/5 static drop, 23,500 original miles.
Samson the 1970 CST10, LWB, 462Ci, Turbo 350 tranny, 3.08 rear gear, PB, PS, A/C, AM/FM, 2/4 Drop.
Brutus the 1998 Camaro Z28, 33,500 original miles, LS1, 519 RWHP/497 RWTQ.
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Old 02-02-2015, 08:02 PM   #11
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Re: Muffler for a 250 engine, what sounds best?

My system is all 2-1/4", with NAPA brand cats, and two no-name 15" glaspacks from a local muffler shop. Stock exhaust manifold has dual outlets from the factory. I just removed the y pipe and ran duals from the manifold back. Having side exhaust is a bit too noisy for me. I'll probably run them out the back at some point.

The rest of the motor is stock. It had a Rochester 2GV carb on it - but it's too big for the motor, I need to swap it to TBI or a Weber.
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Old 02-02-2015, 08:04 PM   #12
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Re: Muffler for a 250 engine, what sounds best?

Sweet. Thanks for the info.
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MyToys:
Goldilocks the "Ol School Survivor" 1968 C10, SWB Stepside, 08/15 TOTM, 250 CI 6 cylinder, 3 on the tree, 3.73 rear, 3/5 static drop, 23,500 original miles.
Samson the 1970 CST10, LWB, 462Ci, Turbo 350 tranny, 3.08 rear gear, PB, PS, A/C, AM/FM, 2/4 Drop.
Brutus the 1998 Camaro Z28, 33,500 original miles, LS1, 519 RWHP/497 RWTQ.
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Member of the Louisiana C10 Club
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Old 02-02-2015, 09:07 PM   #13
70STOVEBOLT
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Re: Muffler for a 250 engine, what sounds best?

I am running a 2" in and out dynomax I bought from napa. I think it sounds pretty decent for single exhaust on a six banger. I have no idea how to upload a sound clip. I do not have a YouTube account.
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