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Flowmaster Super Flow 44 Series Offset Muffler - 2.5 in. (79-04 All, Excludes 99-04 Cobra)

100+ Reviews
Our Price

$86.41

(each)
  • Item #18400
  • MPN# 942548

  • Market Price $97.65
  • You Save 12% ($11.24)
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Customer Photos
Features
  • Signature Flowmaster Sound
  • Two Chamber "Gen II" Delta Flow Technology
  • Offset Inlet and Outlet Design
  • 2.5" Inlet/Outlet Diameter
  • Aluminized Steel Construction
  • Sold Individually
Description
That Flowmaster Sound. Improve your Mustangs exhaust flow for an increase in horsepower and a deeper throatier exhaust note with a set of Flowmaster Super Flow 44 Series Mufflers for a truly classic muscle car sound.

Superior Design. The Flowmaster Super 44 Mufflers are MIG welded from durable 16 gauge aluminized steel for durability and value. The 44 series mufflers use Flowmasters patented two chamber "Gen II" Delta Flow design to increase power and sound. And each muffler is embossed with the "Flowmaster" name so you know it is the real article.

Application. The Super 44 Muffler's outer case measures 4" x 9.75" x 13", and features a 2.5" diameter inlet and outlet in an offset configuration. This is the perfect muffler for the 1979 to 2004 Mustangs. Excludes 1999-2004 SVT Cobra.

Fitment: 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 Details

What's in the Box
  • (1) Muffler
Installation Info
Tech Specs
40 Series Delta Flow versus 40 Series Original versus Super Flow 44 Series
  • Minimizes interior resonance
  • Aggressive exterior tone
  • Two Chambered Muffler
  • Made of Aluminized Steel
  • No minimization of interior resonance
  • Aggressive tone inside and out
  • Two Chambered Muffler
  • Made of Aluminized Steel
  • Delta Flow technology minimizes interior resonance
  • Aggressive deep powerful tone
  • Two Chambered Muffler
  • Made of Black Aluminized Steel
Will it fit my Mustang?
  • Bullitt - 01
  • Foxbody - 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93
  • Mach 1 - 03, 04
  • V6 - 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04
  • Cobra - 94, 95, 96, 97, 98
  • GT - 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04

Most Helpful Reviews

5/5
super 44s

i welded these on my 02 mustang wished i would have looked harder on the internet paid 96$ for these at my local advance auto parts store when i could have bought for only 80$ on american muscle they sound ...

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Helpful (1)

5/5
Awsome

These mufflers are a good example of what i think every mustang should sound like! I bought an 88 Gt and the super 44s came on it,but if they didn\'t I still would have bought them from AM! amazing sounding ...

Read More
Helpful (2)

Overall Rating 4.8 out of 5 stars
Read All 100+ Reviews

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10 Questions / 15 Answers

Ask a Question

What do i have to do to install this? do i need to go to a shop, or can i do it all in my garage w/ a few jacks. All my exhaust is completly stock, will i need anything else as well?

03AndrewP

  • Your best bet would be take them to a shop, because they require welding. and plus it is just a lot easier and way less of a hastle. I spent $50 getting mine installed.

    Hewitt

    Good Answer (2) (0)

Show 4 more answers Question Resolved

Is an X-Pipe necessary? I want to improve the sound of my GT. In a perfect world I would get both a Xpipe and new mufflers but I cant afford both of them at the same time. I know an Xpipe would really help the sound and airflow but do I need to buy the Xpipe first? Could I not just get these mufflers welded in at the local shop with my stock catted h pipe? And lastly would the interior drone be any worse if I didn't have the Xpipe. I want better sound on the exterior and NO DRONE. Thanks

Parker

  • I would recommend having the stock mufflers cut out , and weld the new 44 mufflers in , if your on a budget .. Once u have thats done see how u like the sound from there , u will get a deeper tone from the 44 mufflers very low drone .. If u want more of an aggressive deep tone I recommend an H pipe, if u want a higher pitch racey sound then the X pipe will do the job :-)

    gmsmoker41

    Good Answer (11) (0)

Show 4 more answers Question Resolved

yes or no for a Flowmaster muffler on a v6 i just bought a 2002 mustang v6 and i want it to sound louder then it is now , i took the car to a muffler shop and the guy said he wouldnt suggest it because it would sound weird on a v6 , is there any other product or suggestions any one has ? please and thank you

ausitnb

  • that what i install on my 2000 v6 and it give a very hot sound my friend who got a 2010 v8 said its almost the same thing so for the price it very good.

    rickyboy69

    Good Answer (6) (0)

Show 4 more answers Question Resolved

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Customer Reviews (100+) Write a Review

Overall Rating 4.8

out of 5 stars

Installation Time:Full Day

Installation Cost:$100-$250

  • Loudness / Volume 4.293103 4.3
  • Exhaust Note 4.807017 4.8
  • Fit & Finish 4.689655 4.7
  • Bang For Your Buck 4.637931 4.6



  • 5/5

    Installation Time: Less than 1 Hour

    May 03, 2016

    Perfect amount of muscle!

    Bought these for my 02 GT and could not be happier. Wasn't quite in the budget for a full exhaust overhaul so I purchased these and wow I was impressed. My local shop cut these in on my stock piping for $130 and was only an hour of work.. sounds really good especially on the low end. On the highway is definitely noticeable but not too much drone at all. You won't be disappointed with this product at all.

    CKB247

    Year: 2002 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 2

    Helpful (1) (0)

  • 5/5

    October 09, 2009

    super 44s

    i welded these on my 02 mustang wished i would have looked harder on the internet paid 96$ for these at my local advance auto parts store when i could have bought for only 80$ on american muscle they sound very good and nice when you romp on them, i would definately buy these if i were you. add the new sound on the road with some flowmaster 44s

    Cory

    Year: 2002

    Helpful (1) (0)

  • 5/5

    July 03, 2009

    Awsome

    These mufflers are a good example of what i think every mustang should sound like! I bought an 88 Gt and the super 44s came on it,but if they didn\'t I still would have bought them from AM! amazing sounding mufflers glad you guys have them now.

    Brent

    Year: 1988 Model: GT

    Helpful (2) (0)

  • 5/5

    July 23, 2010

    single v6 muffler

    ok i installed this super 44 muffler along with a bbk cai and the sound is instant. at about 2k is when it gets more agressive and for a single exhaust this is the cheapest and best sound. overall a great product and would reccomend it.

    nathan

    Helpful (23) (4)

  • 5/5

    May 22, 2010

    Radical!

    Awesome muffler that adds great sound & power. If your 'stang is bone-stock like mine was then this is the perfect item to start with to give it the muscle it deserves.

    Bryan Carduff

    Helpful (16) (1)

  • 5/5

    November 30, 2010

    Amazing sound

    I put these along with a jegs off road h pipe and a CAI on my 97GT and it sounds so awesome. Loud and quality. It may be a little biased, but I think I have the meanest sounding mustang around. Everytime I start it up I just smile.

    John

    Year: 1997 Model: GT Driving Style: Daily Driver

    Helpful (14) (1)

  • 5/5

    August 16, 2009

    perfect rumble

    These sound great! Nice and loud through the first 3 gears then they quite down around 4rth and 5th gear for highway cruising. Also have an awesome rumble at idle!

    Trevor

    Helpful (18) (3)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: 0-$100

    August 14, 2012

    Perfect Sound!

    If you don't like that high pitch, raspy noise you get from some mufflers and resonators, these mufflers are perfect! they are not extremely loud but can easily be heard sitting idle in the driveway while your in your house. It's loud when you want it to be, but quiets down for cruising speeds. Very happy wit hthis add on!

    MikeyGT

    Year: 2002 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 1 Indiana

    Helpful (2) (1)

  • 5/5

    May 29, 2010

    excellent!!

    always thought flowmasters were quiet. but no way i get compliments all the time. recommend these big time and an o/r h pipe really sets them off!!

    Jeremy Eckert

    Helpful (12) (1)

  • 5/5

    October 19, 2010

    Recommended for any Mustang GT or V6

    Took these mufflers to my local exhaust shop and had them put these on with an h-pipe. I'm not going to say that it made my v6 sound like a Gt but it's pretty dang close. I'm very impressed with the sound and quality of the product. If you want the muscle sound your mustang deserves definitely pick the mufflers up.

    Chase

    Driving Style: Daily Driver

    Helpful (10) (1)

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