OEM-style gaskets supplied with the catalytic converter Part Number 33034 Inlet Gasket Yes Inlet Type A Bolt-On O2 Port Upstream sensor located before the catalytic converter to monitor the air/fuel mixture, and a downstream sensor after the converter to check its efficiency. | 2 Outlet Gasket Yes Outlet Type A Bolt-On Substrate Material Ceramic | Stainless Steel | 409L Stainless Steel Type Honda Civic Cateran Premium OEM Replacement Direct Fit Catalytic Converter with Integrated Exhaust Manifold | Catalytic Converter Weight 14.00 lbs Height 18.00" Width 7.00" Length 12.00" Buyer's Guide 2005-2001 HONDA CIVIC Exhaust Manifold with Integrated Catalytic Converter Interchange Data Brand Part Number No interchange data available.