50 Series Delta Flow STREET/STRIP     The Flowmaster 50 Series Delta Flow mufflers is designed to produce a mellow, deep sound in most vehicle and truck applications. It is milder than the 40 Series mufflers on the outside of the vehicle, and is significantly quieter inside the vehicle, yet it still has the right performance sound and feel. Application Recommendations: Street/Strip Vehicles & Sport Trucks Early/Late model Street Rods Performance Vehicles Vehicles with dual exhaust   50 Series Standard 4" Case - Single Out 4" X 9.75" X 17" - 23" Overall Length   IN/OUT PRODUCT # 2.00" 942050 2.25" 942450 2.50" 942550 3.00" 943050 IN/OUT PRODUCT # 2.00" 942051 2.25" 942451 2.50" 942551 3.00" 943051 IN/OUT PRODUCT # 2.00" 942052 2.25" 942452 2.50" 942552 3.00" 943052 IN/OUT PRODUCT # 2.00" 942053 2.25" 942453 2.50" 942553 3.00" 943053   50 Series Standard 4" Case - Dual Out 4" X 9.75" X 17" - 23" Overall Length   IN/OUT PRODUCT # 2.00"/2.00"X2 9420502 2.25"/2.00"X2 9424502 2.50"/2.00"X2 9425502 3.00"/2.25"X2 9430522 3.00"/2.50"X2 9430502 IN/OUT PRODUCT # 2.00"/2.00"X2 9420512 2.25"/2.00"X2 9424512 2.50"/2.00"X2 9425512 3.00"/2.50"X2 9430512       50 Series Standard 4" X 8" Case - Single Out 4" X 8" X 17" - 23" Overall Length   IN/OUT PRODUCT # 2.25" 942456 IN/OUT PRODUCT # 2.25" 942458       50 Series Standard 3" X 10" Case - Single out 3" X 10 " X 17" - 23" Overall Length   IN/OUT PRODUCT # 2.50" 932556 IN/OUT PRODUCT # 2.50" 932558