{"product_id":"ap-exhaust-642223-catalytic-converter-rear","title":"AP Exhaust 642223 Catalytic Converter - Rear","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eAP Exhaust 642223 is a Federal \/ EPA direct-fit catalytic converter built for exact OE dimensions and fitment. It uses a stainless steel body, a ceramic substrate, and welded flange connections to support a precise exhaust seal on compatible Lexus applications.\u003c\/p\u003e\u003cp\u003eThis part number 642223 is engineered for rear-position fitment on select Lexus GS300 and Lexus IS300 models. The design follows the original converter layout, making it a practical replacement when the original unit is restricted, damaged, or no longer performing as expected.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFederal \/ EPA direct-fit catalytic converter\u003c\/li\u003e\n\u003cli\u003eStainless steel body for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eCeramic substrate material\u003c\/li\u003e\n\u003cli\u003e3-bolt welded inlet flange\u003c\/li\u003e\n\u003cli\u003e2-bolt welded outlet flange with gasket stub\u003c\/li\u003e\n\u003cli\u003eOne O2 sensor port\u003c\/li\u003e\n\u003cli\u003eBuilt to OE dimensions and fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eAP Exhaust 642223 uses ARISTO substrate chemistry and advanced manufacturing methods to deliver efficient converter loading while maintaining OE-style dimensions. The stainless steel construction and welded flange design support a secure exhaust connection, while the ceramic substrate is selected for catalytic function in a direct-fit layout. This part number 642223 is a fitment-based replacement for rear exhaust applications on Lexus GS300 and Lexus IS300 models listed below.\u003c\/p\u003e\u003cp\u003eAP Exhaust focuses on direct-fit emissions components that match original dimensions for easier replacement and consistent installation alignment. For buyers searching for a Lexus GS300 catalytic converter rear or a Lexus IS300 rear catalytic converter replacement, this unit provides a vehicle-specific solution with Federal \/ EPA configuration.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFailed catalytic converter efficiency\u003c\/li\u003e\n\u003cli\u003eExhaust restriction from a damaged substrate\u003c\/li\u003e\n\u003cli\u003eExhaust leaks at flange connections\u003c\/li\u003e\n\u003cli\u003eCheck engine light concerns related to converter performance\u003c\/li\u003e\n\u003cli\u003eReplacement needs for direct-fit emissions service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eFits 2000-2005 Lexus GS300, rear. Fits 2001-2005 Lexus IS300, rear. Verify emissions requirements before installation, since the fitment notes reference Federal and California emissions restrictions for certain states. Confirm the flange style, O2 sensor port count, and overall length match the original exhaust configuration before beginning service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eAP Exhaust states that this converter is manufactured to exact OE dimensions and fitment using automated workstations, spinner welding equipment, and high-speed production lines. Part number 642223 is built as a Federal \/ EPA direct-fit catalytic converter for consistent replacement alignment.\u003c\/p\u003e","brand":"AP Exhaust","offers":[{"title":"Default Title","offer_id":53402264961205,"sku":"BBDL-642223","price":388.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/AP_642223_Fro.jpg?v=1790744583","url":"https:\/\/www.partcatalog.com\/products\/ap-exhaust-642223-catalytic-converter-rear","provider":"PartCatalog","version":"1.0","type":"link"}