{"product_id":"catalytic-converter-for-cadillac-srx-2008-2009-3-6l","title":"Catalytic Converter for Cadillac SRX (2008-2009) 3.6L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Stainless Catalytic Converter Pair for 2008-2009 Cadillac SRX (GMT265)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This complete left- and right-bank direct-fit catalytic converter pair restores emissions conversion and factory exhaust flow on the 2008-2009 Cadillac SRX \u003cstrong\u003eGMT265\u003c\/strong\u003e powered by the \u003cstrong\u003eLY7 3.6L V6\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eThe Stock Cadillac SRX Catalytic Converter Failure\u003c\/h3\u003e\u003cp\u003eOn the \u003cstrong\u003eGMT265\u003c\/strong\u003e chassis equipped with the \u003cstrong\u003eLY7 3.6L V6\u003c\/strong\u003e, factory converters endure severe thermal cycling near the cylinder heads. Unburned fuel from aging ignition components or oil consumption degrades the precious-metal washcoat and fractures the internal ceramic honeycomb. Once the substrate crumbles, exhaust backpressure spikes and downstream O2 sensors detect lost oxygen-storage capacity, triggering \u003cstrong\u003eP0420\u003c\/strong\u003e or \u003cstrong\u003eP0430\u003c\/strong\u003e catalyst-efficiency codes while starving scavenging flow.\u003c\/p\u003e\u003ch4\u003eCommon Symptoms of a Failing OEM Catalytic Converter\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Engine Light \/ DTCs:\u003c\/strong\u003e Stored \u003cstrong\u003eP0420\u003c\/strong\u003e (Bank 1) or \u003cstrong\u003eP0430\u003c\/strong\u003e (Bank 2) codes caused by depleted washcoat oxygen-storage capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudible Substrate Rattle:\u003c\/strong\u003e Metallic rattling beneath the floorboards at idle or deceleration from a fractured ceramic core.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackpressure \u0026amp; Emissions Failure:\u003c\/strong\u003e Sluggish throttle response, restricted exhaust flow, and failed OBD-II readiness inspections.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Direct-Fit Stainless Catalytic Converter Solution\u003c\/h3\u003e\u003cp\u003eEngineered to replace part numbers \u003cstrong\u003e16684\u003c\/strong\u003e and \u003cstrong\u003e16685\u003c\/strong\u003e, this stainless steel pair (8-inch body length, 5-inch height) uses factory flanges for a direct bolt-on install without cutting or welding. Each converter houses a ceramic honeycomb substrate with a precious-metal washcoat calibrated to convert HC, CO, and NOx efficiently. Integrated post-catalyst O2 sensor bungs and precision-formed piping preserve factory geometry for leak-free sealing and full \u003cstrong\u003eOBD-II\u003c\/strong\u003e compliance.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2 x Catalytic Converters (Left and Right)\u003c\/li\u003e\n\u003cli\u003e4 x Ring Seals\u003c\/li\u003e\n\u003cli\u003e8 x Bolts with nuts and washers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2008-2009 Cadillac SRX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eLY7 3.6L V6 \/ GMT265\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEmissions \u0026amp; Substrate\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eEPA Federal (46-State Legal) \/ Ceramic Honeycomb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eInstallation Type\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eDirect Bolt-On OEM Replacement (No Cutting or Welding)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e16684, 16685\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2008 Cadillac SRX 3.6L V6 (Left and Right Banks)\u003c\/li\u003e\n\u003cli\u003e2009 Cadillac SRX 3.6L V6 (Left and Right Banks)\u003c\/li\u003e\n\u003cli\u003eExcludes 4.6L V8 models and 2010 SRX\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\u003ch4\u003eDoes this fit the GMT265 SRX?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e This is a direct fit for the 2008-2009 Cadillac SRX equipped with the \u003cstrong\u003eLY7 3.6L V6\u003c\/strong\u003e engine. \u003cstrong\u003eNot compatible with the 4.6L V8, 2010 SRX, or vehicles registered in California, New York, Colorado, or Maine (EPA Federal, not CARB approved).\u003c\/strong\u003e\u003c\/p\u003e\u003ch4\u003eWill this clear P0420\/P0430 codes, and are O2 sensors included?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes, when caused by a worn converter; O2 sensors are not included.\u003c\/strong\u003e Replacing both banks resolves \u003cstrong\u003eP0420\u003c\/strong\u003e and \u003cstrong\u003eP0430\u003c\/strong\u003e catalyst-efficiency codes once upstream exhaust leaks and sensor faults are ruled out; transfer existing O2 sensors or install new units.\u003c\/p\u003e\u003ch4\u003eAre gaskets and mounting hardware included for installation?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Four ring seals and eight bolts with nuts and washers are included; let the exhaust cool, soak seized studs with penetrating oil, and torque every flange evenly.\u003c\/p\u003e\u003ch3\u003eThe Cadillac Precision Standard\u003c\/h3\u003e\u003cp\u003eBuilt to restore factory \u003cstrong\u003eOBD-II\u003c\/strong\u003e emissions accuracy and rattle-free exhaust operation on your \u003cstrong\u003eGMT265\u003c\/strong\u003e SRX. Stainless steel construction and matched dual-bank flow keep your \u003cstrong\u003eLY7 3.6L V6\u003c\/strong\u003e running cleanly without check engine lights.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68085526888696,"sku":"DS-EE31NPFBC","price":296.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-cadillac-srx-2008-2009-3-6l-1.jpg?v=1794546341","url":"https:\/\/performancechiptuning.com\/fr\/products\/catalytic-converter-for-cadillac-srx-2008-2009-3-6l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}