Flowmaster 50 Series Delta Flow Muffler - 2-1/4 in Offset Inlet - 2-1/4 in Offset Outlet - 17 x 9-3/4 x 4 in Oval Body - 23 in Long - Black Paint - Universal 942453 H759C01M Fits LM67048/M12649

Fits LM67048/M12649

1963-1964 Dodge 440

7/16" bolt hole flex plate

3 1/4" w x 48" long

12 independent 1/8 NPT ports

Flowmaster 50 Series Delta Flow Muffler - 2-1/4 in Offset Inlet - 2-1/4 in Offset Outlet - 17 x 9-3/4 x 4 in Oval Body - 23 in Long - Black Paint - Universal 942453 H759C01M Fits LM67048/M12649The 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