High flow direct replacement catalytic converters for the three exhaust year generations, 1991-94, 1995-99, and 2000-05 using high quality federally approved .
T304 stainless steel, TIG welded tubing, converter bodies, and rod. High quality catalytic converter cores are rated for 420+ CFM per catalytic converter, or 840+ CFM total. The factory NSX engine naturally aspirated flows approximately 398 CFM and 675 CFM supercharged & turbocharged at < 9 PSI of manifold pressure.
1991-94 includes required hardware. 1995-2005 reuses existing factory hardware & gaskets. Should not be used in applications where engine is ran excessively rich (<11.2:1 AFR) or damage to converter may occur. Not California CARB certified, for offroad use only.