| Additional Information Dual exhaust manifold, copy of original accessory high volume cast iron exhaust manifold. Replace your old cast iron manifold for a significant increase in horse power and performance. 100% increase in volume. Special flange on the back for two exhaust pipes. This manifold requires custom exhaust system to be made. Questions and Answers To ask a question about this item please press and fill out the form. Customers Who Bought This Item Also Bought | |