QuickSilver Race Catalyst 200cpsi | Honda NSX NC1 | 2017+Honda have created some of the best sounding, technically advanced motorsport engines on the planet. The NSX is no exception, but its ability to perform is hampered by the bureaucrats preferred choice of exhaust strangulation secondary catalysts. The NSXs factory units comprise two major components; A 600 cell primary cat with an unnecessary, restrictive secondary catalyst. QuickSilver's race catalysts comprise an easy breathing 200 CPSI primaries