exhaust for foxbody?

91Stang24 · Aug 10, 2009

What is the best sounding exhaust for the foxbody? right now i have mac equal length headers into a mac pro chamber and mac mufflers which are dumps rightnow but im putting my tails on cause the smell sucks inside the car will this setup with the tails sound real good? any suggestions?

ebk06 · Aug 10, 2009

I posted in your other thread......honestly the best way to get a mean sounding car is to have more displacement. Flowmaster super 44's sound good though or SLP's if you are just looking for loud.

MAC'n89Blckstng · Aug 10, 2009

Put a set of Tailpipes on those mufflers and it will sound very very good. MAC is my favorite, match them to an x pipe and the sound is pure sex.

Darkwriter77 · Aug 10, 2009

It all comes down to personal preference. Asking what is "best" is the same as asking what's the "best" paint color or the "best" shift knob or whatever else - everyone has their own take on this, and it's not something you can really measure with numbers. You could ask what's the LOUDEST or QUIETEST exhaust and that would be something you could get some concrete figures on. Otherwise, all I can suggest is get a list of potential exhaust setups or cat-backs that sound appealing to you, look up a bunch of exhaust clips on YouTube and similar sites, and see what sounds best to ya'.

Bear in mind that the type (not so much the brand) of headers and mid-pipe that's ahead of ANY muffler will DRAMATICALLY affect the sound, as well as whether or not tailpipes are present. Not having tailpipes will tend to make things louder and more prone to interior resonance (drone) at cruise. Side-exits will usually be louder than rear-exits (due to less pipe length and proximity to driver/passenger). Not having catalytic converters (off-road X-pipe or H-pipe) in place ahead of the mufflers will make the exhaust significantly louder, and will also drastically affect the tone. X-pipes tend to be more raspy; H-pipes tend to have more "burble" and growl. etc. etc. etc.

91Stang24 · Aug 11, 2009

thanks guys i aprreciate all the help well as of now i have mac equal shorties,,mac prochamber and 40 series 2 chamber flowmasters ans the tail are going on on friday the only thing that im throwing up in the air right now is keep the prochamber on or change to the X?? any suggestions as far as sound and what i should do?

MahFiVeOh · Aug 11, 2009

91Stang24 said:
thanks guys i aprreciate all the help well as of now i have mac equal shorties,,mac prochamber and 40 series 2 chamber flowmasters ans the tail are going on on friday the only thing that im throwing up in the air right now is keep the prochamber on or change to the X?? any suggestions as far as sound and what i should do?

I have the same exhaust stuff as you except the mid pipe and i love the sound of mine.Throw the tailpipes on and if you like the sound your set.If you dont like it throw the X on and go from there.

Guilty93 · Aug 12, 2009

MINE!

347_stang · Aug 12, 2009

flowmasters..

/thread

but seriously I am still a sucker for flows on a fox.. mhhmmm!

rock4451 · Aug 12, 2009

offroad X and Dynomax Race Bullets...sound b-b-b-b-b-b-bad

CRASH7772 · Aug 21, 2009

I know you already got something but figured I would chime in. I would vote for Magnaflow (which is what I have). They post good dyno numbers and sound pretty good IMO.

Not the best video but here it is. YouTube - Untitled 0002 .

I wasn't trying to spin but my old trac-loc was gone and has been replaced.

Here are some dyno numbers from a healthy 5.0.

MUFFLER SHOOTOUT:

Results based on 5.0 Mustang Magazine December 2002 issue (page 55). Test car is a �90 Coupe with 370 HP and 11 second potential. A number of 66 pulls were made to compile this information. Where does your muffler stack up?

The results in HP order:

1.Flowtech Warlock (open) 374.2 hp/ 333.1 tq
2.Bassani Real Street 373.7 hp/ 333.8 tq
3.Hooker Maxflow 373.5 hp/ 333 tq
4.Borla XS 373.3 hp/ 332.6 tq
5.Magnaflow 372.8 / 332.5 tq
6.MAC 372.3 hp / 331.5 tq
7.Flowtech Afterburner 372.3 hp/ 330.1 tq
8.Hooker Aerochamber 372.1 hp/ 330.4 tq
9.Bassani 372 hp/ 333.5 tq
10.Spintech 371.6 hp/ 332.2 tq
11.Edelbrock Performer RPM 370.9 hp / 331.3 tq
12.Borla XR1 370 hp/ 334 tq
13.Flowtech Terminator 369.5 hp / 331.3 tq
14.Dynomax Ultra Flo 369.4 / 333.2 tq
15.Flowmaster 369.4 hp / 331.8 tq
16.Flowtech Warlock 366.3 hp / 325.3 tq
17.No muffs 365.2 hp / 330.1 tq

Sound Off in Quietest to Loudest (Decibels):

1.Borla XS, 80db at idle, 90db at 2,000 rpm, 110db at WOT.
2.Hooker Maxflow, 80db at idle, 90db at 2,000 rpm, 120db at WOT.
3.Magnaflow, 82db at idle, 91 at 2,000 rpm, 114db at WOT.
4.Flowmaster, 82db at idle, 93 at 2,000 rpm, 115db at WOT.
5.Flowtech Warlock, 83db at idle, 92 at 2,000 rpm, 112db at WOT.
6.Dynomax UltraFlo, 83db at idle, 94 at 2,000 rpm, 113db at WOT.
7.Borla XR1, 83db at idle, 96db at 2,000 rpm, 118db at WOT.
8.Bassani Street, 83db at idle, 96db at 2,000 rpm, 120db at WOT.
9.Edelbrock RPM, 84db at idle, 93db at 2,000 rpm, 118db at WOT.
10.Bassani Real Street, 84db at idle, 96db at 2,000 rpm, MAX. (120+db).
11.Flowtech Afterburner, 86db at idle, 94db at 2,000 rpm, 115db at WOT.
12.Flowtech Terminator, 86db at idle, 94db at 2,000 rpm, 119db at WOT.
13.Hooker Aerochamber, 87db at idle, 94db at 2,000 rpm, 114db at WOT.
14.SpinTech, 87db at idle, 97db at 2,000 rpm, 116db at WOT.
15.MAC, 87db at idle, 98db at 2,000 rpm, 119db at WOT.
16.No Muffler, 91db at idle, 103db at 2,000 rpm, MAX. (120+db).

MAC'n89Blckstng · Aug 21, 2009

Definatly put an x on it, it will be much louder, the prochamber acts as another muffler imo.

mustangman9812 · Aug 22, 2009

rock4451 said:
offroad X and Dynomax Race Bullets...sound b-b-b-b-b-b-bad

+1000000

91Stang24 · Aug 22, 2009

So def choose the X over the H?

865.0HO · Aug 22, 2009

Flowmaster Force II. I don't think I'll ever get tired of the sound.

90mustangGT · Aug 22, 2009

Scrap the shorties, equal or not, be a man and get some longtubes.

Longtubes are quieter at idle, but when you open them up you better close your ears. Sounds much different. I promise you, some MAC LT's into your prochamber into your catback will sound awesome.

exhaust for foxbody?

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