Flowmaster 40 Series Delta Force Race Muffler 1993 oldsmobile achieva s esi2615522 security and capability features available BHFB_KM23679050738N security and capability features available on these new F 150 trucks Made up of a variety of combinations of our individual lowering components as well as all the grade 8 installation hardware and alignment pieces necessary to achieve the advertised lowering amount 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