40 Series Delta Force Race Muffler     The 40 series race mufflers all utilize Flowmaster's patented 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. Note: These mufflers provide minimal sound reduction and are intended primarly for situations where a muffler rule is in effect with no specific decibel requirements.  40 Series Delta Force Race- Single Out 4" X 9.75" X 13" - 19 " Overall Length   IN/OUT PRODUCT # 3.00" 9430409 3.50" 9435409 IN/OUT PRODUCT # 3.00" 9430419 3.50" 9435419 IN/OUT PRODUCT # 3.00" 9430429 3.50" 9435429 IN/OUT PRODUCT # 3.00" 9430439 3.50" 9435439 IN/OUT PRODUCT # 3.00" 9430449 3.50" 9435449  40 Series Delta Force Race- Single Out Top Ten® / SprintCar    5"X10"X13" Case IN/OUT PRODUCT # 3.50" 953540-10 4.00" 954040-10 4.50" 954540-10 5"X10"x16" Case IN/OUT PRODUCT # 3.50" 953541-10 5"X10"X13.50" Case IN/OUT PRODUCT # 3.50" 53545-10  40 Series Delta Force Race- Single Out Specialty Race    3"X8"X8.50" Case IN/OUT PRODUCT # 2.25" 325408 4"X8"X9" Case IN/OUT PRODUCT # 3.00" 430408 3.50" 435408 6"X12"X14" Case IN/OUT PRODUCT # 5.00" 965040-12