Flowmaster 40 Series Delta Flow Center/Center Oval Muffler; 2.50-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)

Street-Friendly Performance Muffler. The Flowmaster 40 Series Delta Flow Center/Center Oval Muffler delivers the aggressive tone Flowmaster is known for—now with improved sound control and reduced interior resonance. Featuring a two-chamber design and advanced Delta Flow technology, this muffler boosts scavenging for better exhaust flow while providing a slightly milder sound than the original 40 Series. It's ideal for daily-driven performance vehicles, street/strip builds, and off-road rigs looking for power and tone without excessive interior drone.

Construction and Appearance. Built from 16-gauge aluminized steel and fully MIG welded, this muffler offers excellent durability for both street and off-road conditions. It features a 2.50-inch center inlet and outlet in an oval configuration, allowing for easy integration into a wide range of custom or modified exhaust systems. The design eliminates internal packing, ensuring consistent tone and performance over time.

Installation. Installation is straightforward for experienced fabricators or exhaust shops. As a universal-fit part, some modification may be necessary to adapt it to your vehicle's specific exhaust layout.

Warranty. This muffler is backed by a three-year limited warranty, covering defects in materials and craftsmanship.

Application. This Flowmaster 40 Series Delta Flow Center/Center Oval Muffler features universal fitment and is suitable for 2.50-inch exhaust systems. Some adaptation may be required for proper installation.

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