Gary and I had lunch with Tom Hoover at Carlisle, and he told us what he remembered about the prototype Six Pack intakes for them Hemi. Supposedly there were two of the intakes produced and tested,but they didn't yield the emission standards they were hoping to achieve,but he was pleased with the performance of the Six Pack on the Hemi. He couldn't remember the horsepower numbers it put out.though. Gary had talked to Mopar Performance about producing the Six Pack intake manifold for the Hemi which they eventually did produce and offer the intake to the public.