{"product_id":"catalytic-converter-for-hyundai-santa-fe-2017-2018-2-4l-front","title":"Catalytic Converter for Hyundai Santa Fe (2017-2018) 2.4L Front","description":"\u003ch2\u003eDirect-Fit Front Catalytic Converter for 2017-2018 Hyundai Santa Fe\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Front Catalytic Converter replaces the degraded or clogged factory manifold converter on the 2017-2018 Santa Fe to eliminate P0420 fault codes, restore exhaust scavenging, and re-establish proper emissions efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Hyundai Santa Fe Catalyst Degradation and Exhaust Restriction\u003c\/h3\u003e\n\u003cp\u003eThe factory catalytic converter on the \u003cstrong\u003eDM\u003c\/strong\u003e platform paired with the direct-injected \u003cstrong\u003eTheta II G4KJ\u003c\/strong\u003e engine is prone to premature substrate breakdown. GDI engines frequently generate higher particulate and carbon blow-by, leading to washcoat fouling, thermal shock, and internal ceramic core melting. Once the internal cell structure degrades, exhaust backpressure spikes dramatically, choking exhaust flow, elevating cylinder head exhaust gas temperatures (EGT), and triggering persistent check engine lights (CEL) for catalyst system efficiency below threshold.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis front catalytic converter assembly is engineered with a high-flow, heat-resistant ceramic substrate loaded with an optimized washcoat formulation to facilitate rapid light-off and reliable hydrocarbon conversion. Enclosed in a heavy-duty, corrosion-resistant stainless steel shell with precision laser-cut, TIG-welded mounting flanges, this unit withstands severe thermal cycling without cracking at the seams. It integrates factory-spec downstream and upstream O2 sensor bungs and matches OE port dimensions, restoring proper exhaust velocity and exhaust scavenging dynamics without requiring cutting or custom fabrication.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; margin-bottom: 20px;\"\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;\"\u003e2017-2018 Hyundai Santa Fe \/ Santa Fe Sport\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;\"\u003e2.4L Theta II (G4KJ) \/ DM\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;\"\u003e185 hp \/ 178 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;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2017 Hyundai Santa Fe Sport (2.4L L4 Gas G4KJ) Front\u003c\/li\u003e\n  \u003cli\u003e2018 Hyundai Santa Fe Sport (2.4L L4 Gas G4KJ) Front\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the DM Santa Fe?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 2017-2018 Hyundai Santa Fe equipped with the 2.4L G4KJ engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this resolve an active P0420 diagnostic trouble code?\u003c\/strong\u003e\u003cbr\u003e Yes, provided upstream misfires or oil consumption issues are resolved, this unit restores OEM-level conversion efficiency to clear P0420 codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Hyundai Commuter Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered for high-mileage crossover duty, this replacement catalytic converter assembly delivers factory-spec exhaust gas treatment, reliable closed-loop fueling control, and leak-free operation without premature thermal fatigue.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50501714379000,"sku":"DS-EVKAWBL9D","price":217.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-hyundai-santa-fe-2017-2018-2-4l-front-1.jpg?v=1789330582","url":"https:\/\/performancechiptuning.com\/products\/catalytic-converter-for-hyundai-santa-fe-2017-2018-2-4l-front","provider":"Performance Chip Tuning","version":"1.0","type":"link"}