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Customer Favorite Flowmaster 942545 Super 44™ Delta Flow Muffler Equipment [KXBPTGZ5]

$26.99 $86.99 -69%

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 e

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Customer Favorite Flowmaster 942545 Super 44™ Delta Flow Muffler Equipment [KXBPTGZ5]

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.
Resources
Installation Instructions
Resources
Installation Instructions

Specifications:

Automotive Item Grade High Performance
Body Height 4.000 in.
Body Length 13.000 in.
Body Width 9.750 in.
Color Black
Description_ASC Holley Performance Emission Code 5: 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
Description_ASM Universal Muffler - Not a direct fit. Some adaptation required.
Description_DEF Exhaust Muffler
Description_DES Super 44™ Delta Flow Muffler
Description_EXT Super 44™ Delta Flow Muffler; 2.5 in. Center Inlet/Outlet; Case Dimensions 4 in. x 9.75 in. x 13 in.; 19 in. Overall Length; Aluminized Steel;
Description_FAB 3 Year Limited Warranty
Description_FAB Durable Fully Welded 16ga Aluminized Steel
Description_FAB Excellent Choice For Street Rods Cars and Trucks
Description_FAB Improved HP/TQ and Potential Mileage Improvement
Description_FAB Mild to Moderate Exterior Exhaust Tone
Description_FAB Minimal Interior Resonance
Description_FAB Premium Flowmaster Quality
Description_FAB Race Proven Patented Delta Flow® Technology
Description_FAB Recent Two Chamber Improvement
Description_INV 2.5 IN(C)/OUT(C) SUPER 44 SERIES
Description_KEY Chambered; Exhaust; Performance muffler; muffler; flowmaster; race muffler; universal muffler; magnaflow; borla; gibson; stainless exhaust; stainless muffler; tuned muffler; sport muffler; tuner; tuned exhaust; exhaust upgrade; performance upgrade
Description_MKT 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.
Description_MKT Flowmasters 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 weve ever built! Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
Description_SHO Muffler
Fitment Universal
height 4.5
Inlet Connection Type Pipe
Inlet Diameter 2.500 in.
Inlet Inside Diameter 2.500 in.
Inlet Outside Diameter 2.500 in.
Inlet Position Center
Inlet Type Single Center
length 20.8
LTL N
Main Piping Diameter OEM
Material Aluminized Steel
Mount Type Uses New Hangers (Not Included)
Muffler Series Super 44 Series
Muffler Type Reflection
Outlet Connection Type Pipe
Outlet Diameter 2.500 in.
Outlet Outside Diameter 2.500 in.
Outlet Position Center
Outlet Type Single Center Outlet
Overall Length 19.000 in.
Shape Oval
Sound Level Aggressive
Tip Quantity 0
Title Flowmaster 942545 Super 44 Muffler - 2.50 Center In / 2.50 Center Out - Aggressive Sound
WARNING CA Proposition 65 No
weight 8.55
width 9.9

What Our Customers Say

January 21, 2026

Absolutely no complaints!

The functionality is wonderfully user-friendly.

- Roderick U..

January 21, 2026

Absolutely no complaints!

The performance is consistently a cut above.

- Bryce C..

January 21, 2026

Absolutely no complaints!

It’s a very nice tool. And has very great quality.

- Talfryn E..

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