Eddie Marine EMI Thunder Exhaust System with Silent Choice High Performance Risers

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Eddie Marine EMI Thunder exhaust systems with Silent Choice high performance risers are designed to be used with EMI Silent Select, as well as Mercury Silent Choice

Eddie Marine EMI Thunder exhaust systems with Silent Choice high performance risers are designed to be used with EMI Silent Select, as well as Mercury Silent Choice and other aftermarket selector systems. These systems are offered for a variety of SBC and BBC, including 3 in. taller versions to replace Merc manifolds using a 3 in. riser spacer block. Eddie Marine EMI Thunder manifolds are hardcoat anodized (except polished version) to military spec to prevent corrosion and come standard with a black Fusioncoat finish, with optional finish colors available. Eddie Marine EMI Thunder systems include: * EMI exhaus