EMI 413 COMPLETE HP DRY EMI THUNDER SYSTEM FOR SMALL BLOCK CHEVY

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For the ultimate in performance, these risers are 32” long and keep the water and exhaust separated until the very end of the pipe. Ideal for ultra High Performance applications. T hey are a direct replacement for stock Mercruiser manifolds in Bravo and Alpha applications where the exhaust outlets exit through the transom in the stock location. Complete systems come with a pair of stainless steel through transom sealing rings and gaskets as well as all of the necessary bolts, gaskets and fittings. Standard with black Fusioncoated finish. Optional finishes are available. Brackets extra. Show more