40 Series Muffler 2.50in Center In 2.5 Offset Out

The FLOWMASTER 40 Series Muffler 2.50in Center In 2.5 Offset Out is a versatile exhaust component designed for builders and performance enthusiasts who demand refined sound control without sacrificing flow. This muffler addresses the common challenge of routing exhaust in tight engine bays where straight inlet and outlet configurations won't fit—the offset outlet design allows you to redirect exhaust gases at an angle, opening up mounting flexibility on custom builds, lifted trucks, and modified street machines.

Whether you're fabricating a complete exhaust system or replacing a restrictive OEM unit, the 40 Series delivers the balance of acoustic dampening and durability that Flowmaster has built its reputation on. Built with Flowmaster's proven 40 Series technology, this muffler uses a selective absorption media and multi-chamber design to reduce raspy frequencies while maintaining scavenging efficiency—critical when you're working with forced-induction or naturally-aspirated engines where backpressure tuning affects performance.

The 2.50-inch center inlet accepts standard mandrel-bent or welded tubing, while the 2.5-inch offset outlet simplifies installation in configurations where centerline exit isn't possible. At 10.16 pounds, it's lightweight enough for suspension-sensitive applications, and the compact overall dimensions (10.2 x 4.55 x 20.45 inches) fit snugly in chassis with limited clearance. Flowmaster's aluminized steel construction resists corrosion and vibration, making it a reliable choice for performance exhaust systems.