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Old 10-07-2013, 09:13 PM
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Best quality straight through muffler?

Hey guy I have a '58 chevy brookwood that's getting a mild 355(370hp). It will have flowtech shorties with a 2 1/2 collector. What kind of straight through muffler is going to sound the cleanest and loudest. All the glass packs I've heard are raspy and I'm not impressed by them. I'm thinking about borla xr-1's or some bullets but I'm open to anything. Thanks

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Old 10-07-2013, 09:34 PM
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put better headers on for a good sound,at least 3 inch collectors and 3 inch exhaust
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Old 10-07-2013, 09:52 PM
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I'd like to try a set of these Porter mufflers. They are a straight through design.

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Old 10-08-2013, 04:50 AM
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Just something to think about but... howz-a-bout putting on a nice quiet set of mufflers with a pair of electric cut-outs? This is the best of both worlds, goes from quiet and docile to loud and raucus with the push of a button. Comes in handy when "the man" pulls up alongside you or you simply want to talk without yelling...
Mark
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Old 10-08-2013, 05:58 AM
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Porters sound great on a mild SBC
If interested, just happen to have a set for sale that I put on a customers car and after less than 500 miles he wanted something a little quieter.
They sell for $100 a piece new, I'd let these go for $125 for the pair + the ride
Call 580-786-2005 if interested
Don
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Old 10-08-2013, 11:46 AM
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Quote:
Originally Posted by KennyL View Post
Hey guy I have a '58 chevy brookwood that's getting a mild 355(370hp). It will have flowtech shorties with a 2 1/2 collector. What kind of straight through muffler is going to sound the cleanest and loudest. All the glass packs I've heard are raspy and I'm not impressed by them. I'm thinking about borla xr-1's or some bullets but I'm open to anything. Thanks
You don't like the sound of those rinky-dink little glasspaks any more than I do. The problem is that they're to small on the I.D. and too short. Use a real glasspak like we used to use, 36" long with 3" in and out and 3" thru the center. Use adapters into and out of the mufflers if your pipes aren't 3". Fabricate either an X or H pipe before the mufflers to help mellow out the sound.
http://www.summitracing.com/parts/jex-a5030s/overview/
http://shop.advanceautoparts.com/web...ntent=18370830

Last edited by techinspector1; 10-08-2013 at 11:58 AM.
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Old 10-08-2013, 12:02 PM
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x2 with what T.I. said. The raspy quality is because your mufflers are long enough to really do the job you'd like them to. Race bullets are going to be pretty similar in function. Increase the length and diameter. My old man has 28" cherry bombs on his car with turnouts in front of the rear axle. Not much popping anymore; there is a weird drone at 45mph but it goes away by 50 and only if you have a load on it for an extended length of time. He gets a lot of compliments on it from anyone who doesn't like the Flowmaster "tin can with rocks" idle when you don't have tailpipes on the 2 chambers. I like the Hooker Aerochambers and Magnaflows myself
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Old 10-08-2013, 12:19 PM
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Quote:
Originally Posted by AutoGear View Post
My old man has 28" cherry bombs on his car with turnouts in front of the rear axle. Not much popping anymore; there is a weird drone at 45mph but it goes away by 50 and only if you have a load on it for an extended length of time. He gets a lot of compliments on it from anyone who doesn't like the Flowmaster "tin can with rocks" idle when you don't have tailpipes on the 2 chambers.
The drone is from the pipes being terminated under the car. If you run the pipes out to the rear bumper, you will have a much sweeter sound.
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Old 10-08-2013, 05:47 PM
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Listen to the Dynomax mufflers here:

Dynomax® Performance Exhaust | Sounds of Dynomax | ULTRA FLO™ WELDED

Unfortunately, they changed the motor they use for the sound bites. It used to be a 502 BBC.
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Old 10-08-2013, 07:31 PM
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use a glass pack with perforated tube inside, not raised bumps. Raised bumps are very restrictive.

I like hooker aero-chambers. loud and smooth.
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Old 10-08-2013, 07:39 PM
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1 Vote For Pypes M80.
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Old 10-08-2013, 08:45 PM
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I have a set of moroso spiral flows on my sbc they are straight through style here's an older clip of my car with them...

Moroso Spiral flows - YouTube
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Old 10-08-2013, 09:56 PM
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I like the Dynomax straight through mufflers, they also have a stainless version. Nice and deep sound and they last forever. Check out Youtube, they have thousands of muffler sound clips.
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Old 10-08-2013, 11:18 PM
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On my 34 Roadster with Chevy Small block I have "semi-length" headers (longer than shorties, shorter than full length), an H crossover connection right behind the collectors, and a pair of Magnaflow stainless steel straight thru mufflers further back, right before the rear axle.

Before the start up I was afraid it would be too loud or raspy, but it ain't. Very nice sound and reasonable priced mufflers.
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Old 10-09-2013, 09:07 AM
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Quote:
Originally Posted by 454C10 View Post
use a glass pack with perforated tube inside, not raised bumps. Raised bumps are very restrictive.
My buddy used to install those mufflers with the opening of the louvers to the rear of the truck. WOW. Loud. Blatty.
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