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Re: Magnaflow or Flowmaster
[Re: bobs69]
#360414
06/28/09 01:58 PM
06/28/09 01:58 PM
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Joined: Jan 2003
Posts: 1,251
Slidell, LA
Ronnman
pro stock
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pro stock
Joined: Jan 2003
Posts: 1,251
Slidell, LA
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See attached muffler comparision chart. I used the Dynomax UltraFlo 17513. Great sound in the car, somewhat load in back of car at speed. Ron In car short video http://www.youtube.com/watch?v=NFQ2N0mBct8
Last edited by Ronnman; 06/28/09 02:07 PM.
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Re: Magnaflow or Flowmaster
[Re: mcat4321]
#360416
06/28/09 02:53 PM
06/28/09 02:53 PM
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Joined: Mar 2008
Posts: 5,746
Ontario, Canada
Dodgem
master
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master
Joined: Mar 2008
Posts: 5,746
Ontario, Canada
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17221 3" quiet and on my (RIP) 542 with an X pipe .04 slower corked to open that's hardly any loss.
got friend \s with magna flows and Flo ba$$a$4 and they are loud and resinating on the highway!
Last edited by Dodgem; 06/28/09 02:56 PM.
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Re: Magnaflow or Flowmaster
[Re: toplescuda]
#360419
06/28/09 04:23 PM
06/28/09 04:23 PM
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Joined: Feb 2006
Posts: 2,590
Piqua, Ohio
dodgeram440
master
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master
Joined: Feb 2006
Posts: 2,590
Piqua, Ohio
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Quote:
nothen sounds as good as a motor with flowmasters and a nice cam all the rest sound like glasspacks 
That's because they are glasspacks. My vote is for Flowmasters.
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Re: Magnaflow or Flowmaster
[Re: 340SHORTY]
#360422
06/28/09 04:40 PM
06/28/09 04:40 PM
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Joined: Jan 2003
Posts: 20,492
Eagle, Idaho
Neil
The Doctor is in.
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The Doctor is in.
Joined: Jan 2003
Posts: 20,492
Eagle, Idaho
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Quote:
HOOKER AERO CHAMBERS 
I have a set on my pickup and they make the engine sound a lot meaner than it really is + if you run the pipes out the back they are pretty decent as far as interior noise goes.
There is a muffler flow chart somewhere on the net, but I can't find it. The Hooker Max Flow and some of the Borla mufflers were at the top of the list. The Aero Chamber scored well too IIRC.
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Re: Magnaflow or Flowmaster
[Re: Neil]
#360423
06/28/09 04:50 PM
06/28/09 04:50 PM
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Joined: Jun 2003
Posts: 9,225
Charleston
sixpackgut
Drag Week Mod Champion
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Drag Week Mod Champion
Joined: Jun 2003
Posts: 9,225
Charleston
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dynomax super turbo for the best sounding muffler. period. and they flow better than flomasters
magnoflows for cars over 500 hp
Gen 3 power 6.22@110, 9.85@135
Follow @g3hemiswap on instagram
performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
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Re: Magnaflow or Flowmaster
[Re: Pacnorthcuda]
#360425
06/28/09 06:04 PM
06/28/09 06:04 PM
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Joined: Apr 2004
Posts: 1,396
Mass
dgc333
pro stock
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pro stock
Joined: Apr 2004
Posts: 1,396
Mass
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Quote:
Not a fan of chambered mufflers. Do you really want the flow battling itself to find a way out?
I don't.
Magnaflows have a tame, but deep, idle and bark real nice under heavy throttle. I run them now, and would buy them again in a heartbeat.
About a year ago I read a SAE article on high performance exhaust design. It was very technical with a lot of considerations on how to size and place the muffler and pipes to create a system that has no loss compared to open headers.
The two things I took from this article is that all performance mufflers sized properly flow more than than the engine generates and that it is easier to design a no loss system with chambered mufflers than it is with straight thru mufflers like the magnaflow or ultra flo.
After that article I just tell people to pick what sounds good to them.
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..Dynomax ultraflos sound good too' but not as good as Magnaflows.. 
