I would think that the ram horns would give the best low end torque. oh, 4-jaw, the ram horns are stock performance exaust manifolds used on small block chevys. They resemble the shape of rams horns because the ouside exaust ports go up and then curl back down and meet with the inner exaust ports. Maybe the shortie headers would be your next best bet, they would help build mid rpm torque and power over the ram horns. It seems to me that the horns would flow less than headers making more low rpm torque, but you would sacrifice more power found at 5000rpms as compared to the headers.
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