ScienceofSpeed Factory-Replacement Catalytic Converter Set - NSX, 1991-05

High flow direct-replacement catalytic converters for the three exhaust year generations, 1991-94, 1995-99, and 2000-05 using high-quality EPA approved catalytic converters. 

Designed & manufactured by ScienceofSpeed - these catalytic converters feature T304 stainless steel, TIG welded tubing, converter bodies, and rod. High flow catalytic converter cores are rated for over 375 BHP. 1991-94 includes required hardware & crush seals. 1995-2005 compatible with existing factory hardware & gaskets.

Should not be used in applications where the engine air/fuel mixture is excessively rich (<11.5:1 AFR) such as with Comptech / CT-Engineering Superchargers. For these applications and high performance supercharged or turbocharged applications, please consider the ScienceofSpeed High Output Catalytic Converter Set for Forced Induction.

• Direct-replacement for factory catalytic converters.
• Mounts to exhaust manifolds, headers, and exhaust mufflers with flanges in the factory locations.
• Designed to flow up to 44 LBS/MIN of air mass (375 BHP). 
• 304 stainless steel tubing.
• Precision back-purged TIG welding.
• Manufactured by ScienceofSpeed in the USA.

• Front & rear cylinder bank catalytic converter set.
• Output flange crush seals (1991-94).
• Mounting fasteners (1991-94).