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Flowmaster 2.5 IN(O)/OUT(O) Super 44 SS Muffler

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. Super 44 Series Stainless Steel - 2.50 Offset In / 2.50 Offset Out - Aggressive Sound Universal Muffler - Some adaptation may be required.
  • Deep Aggressive Sound Exhaust Note
  • Race proven Delta Flow technology
  • Recent two chamber improvement
  • Noticeable interior resonance

The Flowmaster Super 44 Series muffler delivers a deep, aggressive exhaust note for street performance applications. Built with the same race-proven Delta Flow® technology used in Flowmaster’s larger Super 40 mufflers, the Super 44 provides strong sound and performance in a compact four-inch case. Its two-chamber design produces noticeable interior resonance and an assertive exhaust character for drivers seeking a more aggressive tone.
Constructed from durable 16-gauge 409S stainless steel, the Flowmaster Super 44 muffler is fully MIG welded to help withstand demanding operating conditions. Recent two-chamber improvements further enhance the muffler’s performance and sound characteristics, making it a dependable choice for custom exhaust systems and performance-oriented builds. The 2.5-inch offset inlet and 2.5-inch offset outlet support universal installation configurations.
This universal muffler may require exhaust-system modification or additional adaptation for proper installation. Professional installation is recommended to ensure correct alignment, secure connections, and adequate clearance. Flowmaster part number 842548 is intended for automotive applications and is not a direct-fit replacement for every vehicle. This product may expose you to chemicals known to the State of California to cause cancer or reproductive harm.

Features:

  • Deep, aggressive exhaust note
  • Race-proven Delta Flow® technology
  • Improved two-chamber design
  • Noticeable interior resonance
  • 16-gauge 409S stainless steel construction
  • Fully MIG welded for enhanced durability
  • 2.5-inch offset inlet and 2.5-inch offset outlet
  • Universal muffler design; adaptation may be required