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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: 20,460
Eagle, Idaho
Neil
The Doctor is in.
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The Doctor is in.
Joined: Jan 2003
Posts: 20,460
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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Re: Magnaflow or Flowmaster
[Re: Neil]
#360428
06/28/09 06:54 PM
06/28/09 06:54 PM
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Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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No opinion on muff selection but I would include large dia mandrel bent pipes, an X pipe and resonators of some sort in the tailpipes by the leaf springs
live every 24 hour block of time like it's your last day on earth
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Re: Magnaflow or Flowmaster
[Re: bobs69]
#360430
06/28/09 08:14 PM
06/28/09 08:14 PM
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Joined: Oct 2004
Posts: 16,477
Canada
CrAzYMoPaRGuY
I Live Here
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I Live Here
Joined: Oct 2004
Posts: 16,477
Canada
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For the 440 in my Jensen I went with Flowmaster 50s AND Dynomax Bullets. I use the Dynomaxs as resonators....
CrAzYMoPaRGuY
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Re: Magnaflow or Flowmaster
[Re: bobs69]
#360431
06/28/09 09:53 PM
06/28/09 09:53 PM
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Joined: Mar 2004
Posts: 2,025
Bucks County, PA
500Stroker
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Joined: Mar 2004
Posts: 2,025
Bucks County, PA
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Quote:
I don't care about flow i want a good sound out the exhaust with little sound in the cab. And a good sound at idol.
Go with the magnaflow you won't regret it. I installed them after I ditched my flowmasters. Nice and quiet (compared to flowmasters) in the car when crusing. When you nail it they sure wake up.
I had a couple in car videos on putfile but they shut down. I need to find them again and find a new host.
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Re: Magnaflow or Flowmaster
[Re: RapidRobert]
#360432
06/29/09 06:58 AM
06/29/09 06:58 AM
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Joined: Nov 2004
Posts: 948
Alliance, Ohio
Valiant_Showoff
super stock
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super stock
Joined: Nov 2004
Posts: 948
Alliance, Ohio
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Quote:
No opinion on muff selection but I would include large dia mandrel bent pipes, an X pipe and resonators of some sort in the tailpipes by the leaf springs
Stay away from Flowmasters if you don't like the interior drone.
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Re: Magnaflow or Flowmaster
[Re: Valiant_Showoff]
#360433
06/29/09 07:40 AM
06/29/09 07:40 AM
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Joined: Nov 2003
Posts: 3,577
Long Island, NY USA
BergmanAutoCraft
master
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master
Joined: Nov 2003
Posts: 3,577
Long Island, NY USA
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There are some good articles on this subject on the web. Vizards article is popular, although hard to follow at times. Anyway, its pretty well established of the 3 types of mufflers (chambered, turbo, stright through), that the straight through muffs are the only ones that flow as much or close to an open pipe. I also think people typically over pipe their systems, which make unecessary noise. Remember, 2.5" is good for 500hp. How many have less than that and run 3"?
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Re: Magnaflow or Flowmaster
[Re: Dougsmopars]
#360438
06/29/09 08:22 PM
06/29/09 08:22 PM
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Joined: Nov 2003
Posts: 3,106
Ridgeland Wi
mopars_1
master
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master
Joined: Nov 2003
Posts: 3,106
Ridgeland Wi
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flowmasters sound ok, magnaflows sound the best I think
1971 Plymouth Duster 340 auto
1937 Plymouth PT50
1969 Dodge Dart Swinger 340 4 speed
2013 Ram laramie 2500 hemi
2008 Harley FLSTSB springer
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Re: Magnaflow or Flowmaster
[Re: Dougsmopars]
#360440
06/29/09 08:27 PM
06/29/09 08:27 PM
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Joined: Apr 2007
Posts: 2,327
Glendale, AZ
69L78Nova
Banned. Forever.
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Banned. Forever.
Joined: Apr 2007
Posts: 2,327
Glendale, AZ
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Dynomax Super Hemi Turbos. I have them on my Barracuda. Nice tone at idle/cruise, quite audible at WOT. Its nice to hear that quad roaring at 7,000rpm!
1969 Nova
454/M21/3.31
Mild mid-11 second weekend cruiser
1994 F150 XLT Super Cab 2WD
5.0/4R70W/3.55
(Daily driver)
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Re: Magnaflow or Flowmaster
[Re: CrAzYMoPaRGuY]
#360444
06/29/09 09:15 PM
06/29/09 09:15 PM
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Joined: Jan 2003
Posts: 13,566
md
mopars4ever
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,566
md
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Quote:
neither go Dynomax
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Re: Magnaflow or Flowmaster
[Re: RapidRobert]
#360445
06/29/09 09:58 PM
06/29/09 09:58 PM
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Joined: Oct 2004
Posts: 16,477
Canada
CrAzYMoPaRGuY
I Live Here
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I Live Here
Joined: Oct 2004
Posts: 16,477
Canada
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Quote:
Quote:
I want a "quieter" ride than usual...
me too and everyone says that resonators at the end by the leafs makes a world of difference.
I have a warmed over 360 in my motorhome, .485" lift hydraulic roller, ported 2.02s, 1 3/4" headers, M1 intake etc...
I have the headers feeding a Y pipe, and what is basically two 3" Flowmaster 50 series in tandem in a single exhaust.
I absolutely LOVE it.
I've heard cars with glasspacks for resonators behind a regular exhaust with mufflers, it sounded GOOD. I couldn't believe it myself.
I'll try it, if it doesn't sound any good I'll swap it out, but I think it should be decent from many cars I have already heard...
CrAzYMoPaRGuY
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Re: Magnaflow or Flowmaster
[Re: YoungGun70Cuda]
#360450
07/01/09 12:08 PM
07/01/09 12:08 PM
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Joined: Jun 2007
Posts: 1,169
clarks summit pa
73cuda340
super stock
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super stock
Joined: Jun 2007
Posts: 1,169
clarks summit pa
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I run the Flowmaster Super 40's on my cuda. 2 1/2" with hooker headers, comp XE268 cam and I love the sound. Couldn't be happier.
1973 Cuda 528 all aluminum Hemi, 4 speed, 3.23 Sure-Grip,
(JA5) Silver Frost Metallic
1973 Challenger Rallye 340
1985 W150 Power Ram prospector
1986 Camaro IROC-Z 305 tpi
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Re: Magnaflow or Flowmaster
[Re: bobs69]
#360451
07/01/09 04:09 PM
07/01/09 04:09 PM
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Joined: Nov 2004
Posts: 1,601
Hatfield,Pa.
bigD
top fuel
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top fuel
Joined: Nov 2004
Posts: 1,601
Hatfield,Pa.
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I have 50 flows on 2 cars (1 BB,1 SB),they seem to like the x-pipe rather than the h-pipe(w/full tail pipes) as far as resonance go's.If you really want resonance try running 40 flows w/ no resonators on the new LX chargers  ,I ended up putting a glass pack reso kit on ,now its fine.That being said every car I own has a set of flows on it(except the/6).It all comes down to personal preference, run what ever sounds good to you ,D. 
2015 Chrysler200s,2008 Charger R/T R&T,1999 Dakota R/T,1999 Viper ACR,1968 Charger R/T.
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..Dynomax ultraflos sound good too' but not as good as Magnaflows.. 
Ron
