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The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow® technology
5 in OD - 12 in Length - 1300 lb/in Spring Rate - Front - Steel - Silver Powder Coat - Each
00-inch inlet pipe leading into a TIG welded 304 stainless steel Signature Series "straight-through" muffler for great sound and maximum performance
includes our exclusive Scavenger X-pipe crossover for maximum power and a deep unique tone
Holley - Standard Main Jet, 1/4-32 Thread, .048" Jet size The Super 40 has thatClick on Catalog Product Page for complete listing of jets and sizes.