HKS 33005-AH006 Metal Catalyzer for HONDA Civic Type R (FL5)

Description HKS 33005-AH006 Metal Catalyzer for HONDA Civic Type R (FL5)

The HKS Metal Catalyzer is engineered specifically for the Honda Civic Type R (FL5) equipped with the K20C engine, focusing on reduced exhaust back pressure while maintaining exhaust gas purification performance. Unlike the OEM ceramic catalyst configuration, this system utilizes low-density metal catalysts combined with an optimized internal layout to improve exhaust flow efficiency. The vehicle-specific design follows the factory catalyst layout while enlarging critical internal diameters to minimize flow restriction.

Manufactured using lost-wax casting for the turbine-side outlet and finished with TIG welding, the catalyzer achieves precise fitment and durability under high thermal loads. An included dedicated heat shield protects surrounding components from heat exposure. Internal testing confirms a significant reduction in exhaust resistance compared to the stock catalytic converter, contributing to improved engine response across the mid-to-high RPM range.

• Low-density metal catalyst design with reduced cell count for improved exhaust flow
• Vehicle-specific layout based on OEM catalyst geometry with enlarged internal diameters
• Lost-wax cast outlet and TIG-welded construction for durability and precision
• Includes dedicated heat shield to mitigate heat-related damage
• Official exhaust gas certification from authorized institutions

Specifications:

• Main Material: SUS304 stainless steel
• Catalyst Type: Metal catalyst
• Catalyst Cell Density: 150 cell x2
• Pipe Diameter: d-93 → d-74.7
• Minimum Ground Clearance: 125 mm (OEM front under panel reference)
• Catalyzer Weight: 6.4 kg (OEM: 5.8 kg)