Item # 22142 BRAND: Flowmaster

Flowmaster Super 44 Muffler - 2.25 Center In/2.25 Offset Out 942447

942447 Super 44 Muffler
942447 Super 44 Muffler
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942447 Super 44 Muffler

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Flowmaster Super 44 Muffler - 2.25 Center In/2.25 Offset Out 942447

Product Overview:


Super 44 Muffler - 3.00 Center In / 3.00 Center Out - Aggressive Sound


  • Race proven patented Delta Flow technology
  • Recent two chamber improvement
  • Noticeable interior resonance
  • Deep Aggressive Sound Exhaust Note

Flowmaster's Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four-inch case street muffler we've ever built! Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.


3 Year Manufacturers Warranty

Warranty for Part# 942447


Automotive Item Grade: High Performance
Body Height (in): 4
Body Length (in): 13
Body Width (in): 9.75
Brand: Flowmaster
California Proposition 65 Required: No
Color: Black
Emission Code: 5
Fitment: Universal
Inlet Connection Type: Pipe Connection
Inlet Diameter (in): 2.25
Inlet Position: Center
Material: Aluminized Steel
Mount Type: Uses New Hangers (Not Included)
Muffler Series: Super 44 Series
Muffler Type: Reflection
Outlet Connection Type: Pipe Connection
Outlet Diameter (in): 2.25
Outlet Position: Offset
Overall Length (in): 19
Product Type: Street Mufflers
Shape: Oval
Sound Level: Aggressive Sound
Part Number: 942447


This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Shipping & Handling

Ships via UPS

In the Box


(1) 942447 Super 44 Muffler

Guides & Accessories


Link Manuals

Safety Information


Aerosol Details


Application Tips

Universal Muffler – Not a direct fit. Some adaptation required.



Spare Parts



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Questions & Answers

Does this company have a muffler to fit my 2003 sylverado? 6.0 engine single exhaust.

Asked by: Da Gem
There is a very good chance they do as these are universal mufflers. Unfortunately we do not have a list of what size inlet/outlet combo each vehicle has. A quick measurement under the truck will tell you what sizes yours has along with what area you have underneath to clear this new muffler.
Answered by: Scott C
Date published: 2020-06-05
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Flowmaster Super 44 Muffler - 2.25 Center In/2.25 Offset Out 942447
In Stock