Flowmaster
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Flowmaster - 12/21/2003 10:41:28 AM
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Crazyplaya182
Posts: 16
Joined: 10/27/2003
From: United States
Status: offline
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Hey Guys,
The day after christmas, i am getting a FLowmaster American Thunder Series Cat Back installed. I talked to the guys also about cutting off my catalic Converter. HE is going to do so, but i had to order a sixty dollar part to put on my 02 censor to make the 02 censor not mess up or something like that. I think he said a simulator. But i dont know.
But ill let you guys know how it sounds.
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Flowmaster - 12/21/2003 10:57:39 AM
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BCisme
Posts: 2045
Joined: 5/22/2003
From: Newport News, Va
Status: offline
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what kinda mustang? ima flowmaster kinda guy mahself.
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Flowmaster - 12/21/2003 3:20:31 PM
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97FordGT
Posts: 97
Joined: 10/17/2003
From: United States
Status: offline
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[QUOTE=Dan02GT]
It's an 'O2 Sensor' & he bought you MIL Eliminators.
Hope you like the sound of your Flowdisasters!!  [/QUOTE] oh come on dan its not that bad. i love my setup
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Flowmaster - 12/21/2003 4:33:43 PM
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jeep45238
Posts: 2199
Joined: 3/31/2003
From: United States
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on average....425 horsepower turbo buicks and SBF's pick up 25 horses by switching form 2 chamber Flows to Dynomax Ultraflow.....and 40-50 by going to Magnaflows.
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Flowmaster - 12/21/2003 4:35:33 PM
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WyDoPn
Posts: 343
Joined: 12/7/2003
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i love my flowmasters on my mustang sounds mean
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Flowmaster - 12/21/2003 4:38:13 PM
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Jugador1
Posts: 2963
Joined: 6/8/2003
From: United States
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but that's moving so much more air through it that i almost find it unapplicable. on a stock or minorly modded engine sound over performance isn't that much of a sacrafice.
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Flowmaster - 12/21/2003 5:04:33 PM
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jeep45238
Posts: 2199
Joined: 3/31/2003
From: United States
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Depends on future applications. If you want a ratio (guestimate) of what you can gain, multiply current power output (at the wheels, or just multiply your guestimate flywheel by .8) by .07, which will give a theoretical yeild (keep in mind that with the variables of the "average power of a turbo buick and a turbo ford" and their gains...number were acheived with 430 horses and 30 hp gain for the ultraflow) when switching to Ultraflows.
Say you make 250 horses at the rear...that's 17.5 horses that you can gain just by switching over to Ultraflow.....it's not "unapplicable".
If you want a average for Magnaflow, try doing the above but multiplying by .1....in the above example, you would gain 25 horses....keep in mind these are estimated numbers and will depend greatly on how much your intake is opened up and your cat back (and if you have an X or H pipe) since it is all relative to each other.
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Flowmaster - 12/21/2003 5:33:41 PM
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Jugador1
Posts: 2963
Joined: 6/8/2003
From: United States
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very estimated. i guarantee that grand national is far wider open due to cam, heads, and intake at the least, once again making the difference in performance on a stock/near stock motor not great enough to outweigh the sound (to some people)
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Flowmaster - 12/21/2003 5:58:20 PM
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jeep45238
Posts: 2199
Joined: 3/31/2003
From: United States
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You apparently didn't catch the Turbo Mustang, and it was definately not a V6 or I4.
Where the heck are you getting your conclusions from man, a better flowing muffler will help any car perform better!
Take a gander at multiplying by .05 and .08, that's still a 12.5 and 20 horse gain respectively. I'm willing to bank that those aren't negligable either, not to mention how the Flowcrappers inhibit flow worse and worse the more you modify.
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Flowmaster - 12/21/2003 6:25:07 PM
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Jugador1
Posts: 2963
Joined: 6/8/2003
From: United States
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but you can't just use a formula unless they're running similar intake, heads, cam, exhaust manifolds, "midpipe", and catback
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Flowmaster - 12/21/2003 7:08:56 PM
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jeep45238
Posts: 2199
Joined: 3/31/2003
From: United States
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Hence the term guestimation. It gets the general idea across. Jug, if pipes and the sort of cross over can make such a big difference when there's not really any restrictions in them, imagine what taking a bunch of roadblocks called a "muffler" off for a straight pipe or straight through muffler can net.
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Flowmaster - 12/21/2003 7:11:16 PM
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Jugador1
Posts: 2963
Joined: 6/8/2003
From: United States
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i understand, but if exhaust is (pretty much) all they're doing then it won't make a whole lot of difference because there won't be more air pumping through
basically, performance mufflers are good, but not everyone needs them. if they're happy with great sound and subpar performance they can be.
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Printable Version
...and why are you comparing a 425hp motor to a stock motor anyway?...especially a turbo motor, where doing any kind of exhaust is going to show significant gains.