Flowmaster 50 Series Delta Flow Muffler - 2-1/4 in Offset Inlet - 2-1/4 in Center Outlet - 17 x 9-3/4 x 4 in Oval Body - 23 in Long - Black Paint - Universal 942451 Digital Tachometer Features high-quality steel bevel gears

Features high-quality steel bevel gears housed within a compact aluminum case

and wipe in one direction only

1-7/8 in Radius

and durable springs for circle track racing and drag racing

Flowmaster 50 Series Delta Flow Muffler - 2-1/4 in Offset Inlet - 2-1/4 in Center Outlet - 17 x 9-3/4 x 4 in Oval Body - 23 in Long - Black Paint - Universal 942451 Digital Tachometer Features high-quality steel bevel gearsThe three chamber design utilizes Flowmaster's patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Features: Durable Fully Welded 16 Gauge Aluminized Steel 3 Year Limited Warranty Mild to Moderate