OEM-style gaskets supplied with the catalytic converter Part Number 33221 Inlet Gasket Yes Inlet Type A Bolt-On O2 Port Upstream sensor located before the catalytic converter to monitor the air/fuel mixture. No downstream sensor as part of assembly. | 1 Outlet Gasket Yes Outlet Type A Bolt-On Substrate Material Ceramic | Stainless Steel | 409L Stainless Steel Type Toyota Highlander, Sienna Cateran Premium OEM Replacement Direct Fit Catalytic Converter with Integrated Exhaust Manifold | Catalytic Converter Weight 10.00 lbs Height 18.00" Width 7.00" Length 12.00" Buyer's Guide 2010-2007 TOYOTA SIENNA Exhaust Manifold with Integrated Catalytic Converter, 2010-2008 TOYOTA HIGHLANDER Exhaust Manifold with Integrated Catalytic Converter Interchange Data Brand Part Number No interchange data available.