Flowmaster 8430408 - 40 Series Delta Force Race Muffler

40 Series Race Muffler 409SS- 3.00 Center In / 3.00 Center Out - Aggressive Sound The Delta Force 40 series race mufflers utilize Flowmaster's Delta Flow technology and feature excellent power characteristics with good sound reduction qualities. Recommended for all racing applications where mufflers are required with a substantial decibel reduction over open headers. Please call the Flowmaster tech-line for assistance with specific decibel requirements and applications.