The Flowmaster 842515 Super 10 Series muffler is designed for drivers and builders seeking an exceptionally loud, aggressive exhaust tone. Intended for off-highway and racing applications, this single-chamber muffler delivers the intense sound associated with Flowmaster’s Super 10 Series while helping support strong exhaust performance. It is not recommended for street-driven vehicles due to its extreme sound level and race-oriented design.

Constructed from durable 409S stainless steel, the Flowmaster 842515 is built to withstand demanding operating conditions. Its fully MIG-welded construction provides dependable strength and long-term durability, while the compact design helps simplify installation where space is limited. The universal configuration features a center inlet and center outlet, making it suitable for custom exhaust systems and a variety of fabrication projects. Some adaptation may be required for proper fitment.

This muffler incorporates Flowmaster’s patented Delta Flow technology, a proven internal design developed to manage exhaust flow while producing the aggressive sound desired by performance enthusiasts. The Super 10 sound level is among the loudest in the Flowmaster lineup, making it a strong choice for competition vehicles, off-road builds, and other applications where maximum exhaust presence is preferred. Professional installation is recommended to ensure secure mounting, proper alignment, and safe exhaust routing. The Flowmaster 842515 is not listed as emissions-approved for street use and should be selected according to applicable local regulations.

• Race-Proven Delta Flow Technology for performance-oriented exhaust flow management


• 409S Stainless Steel Construction for corrosion resistance and durability


• Super 10 Aggressive Sound Level for an exceptionally loud exhaust note


• Single-Chamber Design for compact packaging and race-focused performance


• Universal Center Inlet and Outlet Configuration for custom exhaust installations


• Fully MIG-Welded Construction for dependable strength in demanding applications

Features:

• Sound: Super 10 Series aggressive sound level for off-highway and racing applications
• Technology: Patented Delta Flow technology supports performance-oriented exhaust flow management
• Material: 409S stainless steel construction provides durability and corrosion resistance
• Construction: Fully MIG-welded body is built for strength and long-term reliability
• Design: Compact single-chamber configuration helps accommodate limited installation space
• Fitment: Universal center inlet and outlet layout is suitable for custom exhaust systems
• Application: Recommended for off-highway use and not intended for street-driven vehicles