Super 44 Series Muffler 409S - 2.25 Offset In / 2.25 Center Out Aggressive Sound
Hover over the image to zoom in
Share this:

Flowmaster Inc. Super 44 Series Muffler 409S - 2.25 Offset In / 2.25 Center Out Aggressive Sound

Part No. 842446 Warranty Details  

See if this part fits a specific vehicle.

Check Vehicle Fit

Flowmaster's Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a rich powerful tone and are the most aggressive, highest performing street muffler we've ever built in a four inch case. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
Back To Top
Body Height:4 in
Body Material:Stainless Steel
Body Width:9.75 in
Case Length:13 in
Case Shape:Flowmaster Case
Inlet Diameter:2.25 in
Inlet Location:Offset
Outlet Diameter:2.25 in
Outlet Location:Center
Shape:Flowmaster Case


by PowerReviews
Flowmaster Inc.Super 44 Series Muffler 409S - 2.25 Offset In / 2.25 Center Out Aggressive Sound

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

Displaying review 1

Back to top


Flowmaster said this would be best MyCar


from Philadelphia, PA

About Me Auto Enthusiast, Casual Driver, Mechanic

See all my reviews

Ask me a question

3 or more reviews submitted


  • Adds Style
  • Easy To Install
  • Great Sound
  • Increases Power
  • Lightweight


    Best Uses

    • Everyday Driving
    • Performance Driving
    • Racing
    • Replacement

    Comments about Flowmaster Inc. Super 44 Series Muffler 409S - 2.25 Offset In / 2.25 Center Out Aggressive Sound:

    This was ordered for my PT Cruiser GT HO Turbo 2.4L and it is a great sound not too much but just right. Not a ricer sound that I did not want.

    Displaying review 1

    Back to top

    Do you have questions about this product?


    Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

    1 Question | 1 Answer
    Displaying question 1
    • Q:

      why is this super 44 so quiet?
      Asked on 12/5/2012 by derek from punxsy

      1 answer



        This Flowmaster Inc. SUPER 44 SERIES -(Part No. 842446) utilizes Delta Flow Technology and gives the best performance to higher horsepower vehicles. It is constructed from 409S Stainless Steel and fully MIG-welded for maximum durability and it is the aggressive, highest performing, deep sound four-inch case street muffler. For further assistance, please feel free to call us at 1-877-238-2623 or visit your nearest Advance Auto Parts store and one of our representatives would be more than happy to assist you.

        Answered on 12/6/2012 by Aaron from AAP
    Displaying question 1

    Do you have a question about this product? 

    Check out the specials in our monthly flyer.
    Disclaimer We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.