{"product_id":"catalytic-converter-for-cadillac-xt5-2017-2023-3-6l-front-left-right","title":"Catalytic Converter for Cadillac XT5 (2017-2023) 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 2017-2023 Cadillac XT5 (C1XX)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Front Left \u0026amp; Right Catalytic Converter assembly restores factory exhaust scavenging and emissions compliance on the 2017-2023 Cadillac XT5 to clear catalytic efficiency trouble codes and maintain exhaust velocity.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Cadillac XT5 Catalytic Converter Degradation\u003c\/h3\u003e\n\u003cp\u003eOver time, the factory manifold converters on the GM \u003cstrong\u003eLGX\u003c\/strong\u003e 3.6L V6 suffer from thermal cycling fatigue and washcoat thermal degradation. Operating under continuous air-fuel fluctuations, the OEM ceramic cores succumb to sintering and carbon contamination, restricting cross-bank exhaust pulses. This core deterioration results in elevated backpressure, compromised top-end power output, and persistent P0420 \/ P0430 diagnostic trouble codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct-fit dual converter set addresses substrate erosion with high-density ceramic honeycomb monoliths loaded with active precious-metal washcoats to ensure complete hydrocarbon and NOx reduction. Fabricated from corrosion-resistant 409 stainless steel tubing with thick, warp-resistant CNC-machined flanges, this pair mounts directly to factory exhaust manifold studs and downstream downpipes without cutting or welding. Precision-located oxygen sensor bungs maintain factory upstream and downstream O2 sensor placement, ensuring accurate closed-loop fuel trimming without check engine lights.\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;\"\u003e2017-2023 Cadillac XT5\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;\"\u003e\n\u003cstrong\u003eLGX\u003c\/strong\u003e 3.6L V6 \/ \u003cstrong\u003eC1XX\u003c\/strong\u003e\n\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;\"\u003e310 hp \/ 271 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;\"\u003e\n\u003cstrong\u003e641635\u003c\/strong\u003e, \u003cstrong\u003e641636\u003c\/strong\u003e\n\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\u003e2017-2023 Cadillac XT5 Base 3.6L V6 (LGX) FWD\/AWD\u003c\/li\u003e\n  \u003cli\u003e2017-2023 Cadillac XT5 Luxury 3.6L V6 (LGX) FWD\/AWD\u003c\/li\u003e\n  \u003cli\u003e2017-2023 Cadillac XT5 Premium Luxury 3.6L V6 (LGX) FWD\/AWD\u003c\/li\u003e\n  \u003cli\u003e2020-2023 Cadillac XT5 Sport 3.6L V6 (LGX) AWD\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the C1XX XT5?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2017-2023 Cadillac XT5 equipped with the \u003cstrong\u003eLGX\u003c\/strong\u003e 3.6L engine.\u003c\/p\u003e\n\n\u003ch4\u003eWill this direct replacement clear P0420 and P0430 trouble codes?\u003c\/h4\u003e\n\u003cp\u003eYes, the efficient ceramic washcoat formulation restores factory emissions reduction efficiency to clear catalyst monitor CEL faults when upstream engine air-fuel delivery operates properly.\u003c\/p\u003e\n\n\u003ch3\u003eThe Cadillac Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to match OEM luxury chassis acoustic dampening, this converter set delivers factory-spec exhaust tone, zero drone, and leak-free performance across the life of your luxury crossover platform.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67538061721848,"sku":"DS-ENDAM32XD","price":484.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-cadillac-xt5-2017-2023-3-6l-front-left-right-1.jpg?v=1790621736","url":"https:\/\/performancechiptuning.com\/products\/catalytic-converter-for-cadillac-xt5-2017-2023-3-6l-front-left-right","provider":"Performance Chip Tuning","version":"1.0","type":"link"}