With both manifolds port matched to a Felpro 1206 gasket on a 385ci pump gas street engine with a set of PW 64180R fully CNC ported heads and a 236/246 @ .050 600" lift hyd. roller cam the PW 650300 intake made 6 more hp than the Super Victor back to back on the engine dyno with no other changes. It did give up a little torque so it's definitely suited more for upper rpm power and I'm sure with a more aggressive race oriented combination would make even a bigger gain. Great intake for the $$$
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