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Which mufflers flow the best? #1194902 03/11/12 02:50 AM 03/11/12 02:50 AM
Joined: Dec 2003 Posts: 306 Texas B bogusracer OP enthusiast
bogusracer OP enthusiast B Joined: Dec 2003 Posts: 306 Texas	Looking at getting mufflers for my Cuda. Wanted to know if the Dynomax Ultra Flow SS Polished mufflers flow better than the Magna Flow SS mufflers? Trying to get the best performing muffler I can and still look relatively stock. Exhaust pipe diameter is 2.5" Thanks for your input in advance. Bogusracer

Re: Which mufflers flow the best? [Re: bogusracer] #1194903 03/11/12 02:55 AM 03/11/12 02:55 AM
Joined: Feb 2010 Posts: 18,493 Granite Bay CA Kern Dog Striving for excellence
Kern Dog Striving for excellence Joined: Feb 2010 Posts: 18,493 Granite Bay CA	This question was asked a few months back, and a helpful member posted a sheet of the top selling mufflers and how they fared against each other. The Dynomax welded Ultra Flow mufflers were tops.

Re: Which mufflers flow the best? [Re: Kern Dog] #1194904 03/11/12 03:16 AM 03/11/12 03:16 AM
Joined: Dec 2003 Posts: 306 Texas B bogusracer OP enthusiast
bogusracer OP enthusiast B Joined: Dec 2003 Posts: 306 Texas	Not looking at the welded Ultra Flows. The polished stainless steel are constructed like the oem type mufflers. Those are the type I'm looking at. Any comparisons between those and the Magna Flows? Thanks, Bogusracer

Re: Which mufflers flow the best? [Re: bogusracer] #1194905 03/11/12 10:42 AM 03/11/12 10:42 AM
Joined: Jul 2007 Posts: 271 MO, USA Tom Hand enthusiast
Tom Hand enthusiast Joined: Jul 2007 Posts: 271 MO, USA	Bogus, the 2.5" st. st UltraFlos have a slightly larger internal pass tube and outflowed the equivalent sized Magnaflow by a few percent when comparing airflow directly through them. Tom

Re: Which mufflers flow the best? [Re: Tom Hand] #1194906 03/11/12 09:50 PM 03/11/12 09:50 PM
Joined: Dec 2003 Posts: 306 Texas B bogusracer OP enthusiast
bogusracer OP enthusiast B Joined: Dec 2003 Posts: 306 Texas	Thanks for the info Tom. I appreciate it.

Re: Which mufflers flow the best? [Re: bogusracer] #1194907 03/11/12 10:38 PM 03/11/12 10:38 PM
Joined: Jan 2011 Posts: 4,785 Utah and Alaska astjp2 master
astjp2 master Joined: Jan 2011 Posts: 4,785 Utah and Alaska	You can look at Jones mufflers. Tim

Re: Which mufflers flow the best? [Re: astjp2] #1194908 03/11/12 11:09 PM 03/11/12 11:09 PM
Joined: Jan 2003 Posts: 8,395 Highland, MI. Sunroofcuda master
Sunroofcuda master Joined: Jan 2003 Posts: 8,395 Highland, MI.	Nope - Jones doesn't have anything like the Ultra Flows. The SS Ultra Flows have the spun-locked heads & they are straight through & NOTHING on the market will flow a higher cfm flow rate. No Man With A Good Car Needs To Be Justified

Re: Which mufflers flow the best? [Re: Sunroofcuda] #1194909 03/11/12 11:22 PM 03/11/12 11:22 PM
Joined: Jan 2003 Posts: 1,607 Western Washington Sixgun top fuel
Sixgun top fuel Joined: Jan 2003 Posts: 1,607 Western Washington	Yup. The walker guys at MATS a few years ago said theirs were the only TRUE zero loss muffler. That's a what they said...(three dots, no more)

Re: Which mufflers flow the best? [Re: Sixgun] #1194910 03/12/12 12:54 AM 03/12/12 12:54 AM
Joined: Aug 2003 Posts: 43,152 Bend,OR USA C Cab_Burge I Win
Cab_Burge I Win C Joined: Aug 2003 Posts: 43,152 Bend,OR USA	Quote: Yup. The walker guys at MATS a few years ago said theirs were the only TRUE zero loss muffler. That's a what they said...(three dots, no more) Do you believe the marketing types? I don't Test and tune to see what results you get I have a set of the older Magnaflow 14x7 inch ovals 3 inch side inlet with 3 inch center outlet on my car, it ran .03 to .04 (3 hundreds to 4 hundreds) slower in th 1/8 mile with the complete exhaust sytem on, the muffs are mounted at the rear bumper behind the rear end, and .1 to .2 MPH different. The car ran a best of 7.01 with the sytem on and a best of 6.97 with it off the weight was probally most of the gain, not the back pressure Last edited by Cab_Burge; 03/13/12 12:28 AM. Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)

Re: Which mufflers flow the best? [Re: Cab_Burge] #1194911 03/12/12 07:14 PM 03/12/12 07:14 PM
Joined: Nov 2004 Posts: 376 East Central Illinois jeff57 enthusiast
jeff57 enthusiast Joined: Nov 2004 Posts: 376 East Central Illinois	both mufflers work well,not a big diff either way. [i own a muffler shop]go with the best deal money wise and the muff's will take of themselves.

Re: Which mufflers flow the best? [Re: Cab_Burge] #1194912 03/12/12 07:29 PM 03/12/12 07:29 PM
Joined: Jan 2003 Posts: 8,395 Highland, MI. Sunroofcuda master
Sunroofcuda master Joined: Jan 2003 Posts: 8,395 Highland, MI.	Magnaflows are cheaper knock-offs of the Dynomax welded series Race Magnums. They are straight-through. I've heard lots of complaints of Magnaflows droning really bad, sounding too quiet & "flat", & also read complaints of the outer skins splitting open from fatigue. No Man With A Good Car Needs To Be Justified

Re: Which mufflers flow the best? [Re: Sunroofcuda] #1194913 03/12/12 10:45 PM 03/12/12 10:45 PM
Joined: Jan 2003 Posts: 27,421 Balt. Md 3 383man Too Many Posts
383man Too Many Posts 3 Joined: Jan 2003 Posts: 27,421 Balt. Md	I noticed alot of FAST racers use the Ultra-Flows so thats why I looked at them and liked them. So I use the Ultra-Flows with a 3" X-pipe system out to the rear bumper. I always race thru the pipes as I never uncap it so I really dont know if it slows the car any. Ron Last edited by 383man; 03/12/12 10:45 PM.

Re: Which mufflers flow the best? [Re: 383man] #1194914 03/12/12 11:53 PM 03/12/12 11:53 PM
Joined: Feb 2003 Posts: 10,203 Someplace you aren't S SomeCarGuy I Live Here
SomeCarGuy I Live Here S Joined: Feb 2003 Posts: 10,203 Someplace you aren't	Just for the sake of discussion- Last time I looked at mufflers, I noticed that the box, I think Dynomax, said they flowed either 500-700 CFM. So if you have two mufflers, does it really make any difference if you are running a 650-800 CFM carb? I want my fair share

Re: Which mufflers flow the best? [Re: Sunroofcuda] #1194915 03/13/12 08:47 AM 03/13/12 08:47 AM
Joined: Oct 2003 Posts: 21,345 Marysville, O-H-I-O 70Cuda383 Too Many Posts
70Cuda383 Too Many Posts Joined: Oct 2003 Posts: 21,345 Marysville, O-H-I-O	Quote: Nope - Jones doesn't have anything like the Ultra Flows. The SS Ultra Flows have the spun-locked heads & they are straight through & NOTHING on the market will flow a higher cfm flow rate. ever flow your own mufflers to see how they do? Photobucket sucks

Re: Which mufflers flow the best? [Re: 70Cuda383] #1194916 03/13/12 09:26 AM 03/13/12 09:26 AM
Joined: Jan 2003 Posts: 11,076 Berlin, N.J. A abodyjoe I Live Here
abodyjoe I Live Here A Joined: Jan 2003 Posts: 11,076 Berlin, N.J.	got these charts from another site a while back.. 2 1/2" mufflers http://www.abodyjoe.com/pictures/Misc.%20car%20info/muffler%20flow/2.5%20muffdata.xls 3" mufflers http://www.abodyjoe.com/pictures/Misc.%20car%20info/muffler%20flow/3%20muffdata.xls It's better to keep your mouth shut and give the impression that you're stupid than to open it and remove all doubt. www.MoparMisfits.com

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