"Modified" Tru-Ram Cast Iron Small Block Chevy Exhaust Manifolds
Must run cast iron exhaust manifolds in your class? Or, tired of the hassle of headers? Our "Modified" "Tru-Ram Small Block Chevy cast iron exhaust manifolds combines the quiet, durable function of cast iron with the best performance ever available in a cast iron exhaust manifold.
They feature CNC machined port openings that will not block the large exhaust ports on aftermarket heads. Plus, the outlet area is machined for our bullet-proof Gasket-Less Adapter Pipes.
The "Modified" Tru-Ram exhaust manfolds make 5 more horsepower than the Corvette Ram Horn manifolds listed below.