{"product_id":"catalytic-converter-for-chevrolet-blazer-2019-2023-3-6l-front-left-right","title":"Catalytic Converter for Chevrolet Blazer (2019-2023) 3.6L Front Left \u0026 Right","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Front Left \u0026amp; Right Catalytic Converter Set for 2019-2023 Chevrolet Blazer (C1XX)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Front Left \u0026amp; Right Catalytic Converter Set restores factory exhaust gas treatment and clears catalyst efficiency diagnostic trouble codes on the 2019-2023 Chevrolet Blazer 3.6L.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet Blazer Catalytic Converter Degradation\u003c\/h3\u003e\n\u003cp\u003eFactory close-coupled manifold converters on the \u003cstrong\u003eC1XX\u003c\/strong\u003e platform face extreme thermal cycling from the high-revving direct-injection \u003cstrong\u003eLGX\u003c\/strong\u003e V6. Over time, internal washcoat degradation, fuel vapor blow-by, and severe heat expansion cause ceramic monolith breakdown, leading to restricted exhaust backpressure, lost fuel economy, and persistent P0420\/P0430 threshold fault codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered as a bolt-on replacement for part numbers \u003cstrong\u003e641635\u003c\/strong\u003e and \u003cstrong\u003e641636\u003c\/strong\u003e, this dual assembly utilizes heavy-duty 409 stainless steel tubular bodies built to survive thermal shocks. High-flow internal ceramic honeycombs loaded with robust precious metal washcoats provide efficient HC, CO, and NOx reduction without restricting exhaust velocity. Precision-machined, thick OE-style flanges ensure an airtight seal against manifold studs, while pre-threaded oxygen sensor ports accept factory O2 sensors without harness stretching or wire modification.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \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;\"\u003e2019-2023 Chevrolet Blazer\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;\"\u003e3.6L LGX V6 \/ C1XX\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;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e308 hp \/ 270 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\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;\"\u003e641635, 641636\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2019 Chevrolet Blazer 3.6L V6 (Front Left \u0026amp; Right)\u003c\/li\u003e\n  \u003cli\u003e2020 Chevrolet Blazer 3.6L V6 (Front Left \u0026amp; Right)\u003c\/li\u003e\n  \u003cli\u003e2021 Chevrolet Blazer 3.6L V6 (Front Left \u0026amp; Right)\u003c\/li\u003e\n  \u003cli\u003e2022 Chevrolet Blazer 3.6L V6 (Front Left \u0026amp; Right)\u003c\/li\u003e\n  \u003cli\u003e2023 Chevrolet Blazer 3.6L V6 (Front Left \u0026amp; Right)\u003c\/li\u003e\n  \u003cli\u003eNote: Fits 3.6L V6 models only; does not fit 2.0L Turbo or 2.5L I4 engines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the C1XX Blazer?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2019-2023 Chevrolet Blazer equipped with the 3.6L LGX V6 engine.\u003c\/p\u003e\n\n\u003ch4\u003eIs this catalytic converter set legal for use in California?\u003c\/h4\u003e\n\u003cp\u003eNo, this unit is 46-state legal (EPA compliant) and cannot be sold or registered in California, New York, Colorado, or Maine.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet Reliability Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle highway commuting and maximum 4,500-lb towing stress, these direct-fit converters maintain proper manifold backpressure to protect valvetrain integrity under load.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67538061558008,"sku":"DS-EUR6A1D9F","price":484.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-chevrolet-blazer-2019-2023-3-6l-front-left-right-1.jpg?v=1790621703","url":"https:\/\/performancechiptuning.com\/fr\/products\/catalytic-converter-for-chevrolet-blazer-2019-2023-3-6l-front-left-right","provider":"Performance Chip Tuning","version":"1.0","type":"link"}