{"product_id":"catalytic-converter-for-hyundai-elantra-2004-2009-2-0l-front","title":"Catalytic Converter for Hyundai Elantra (2004-2009) 2.0L Front","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Front Exhaust Manifold Catalytic Converter for 2004-2009 Hyundai Elantra (XD \/ HD)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Front Catalytic Converter replaces the clogged or cracked factory manifold converter assembly on the 2004-2009 Hyundai Elantra to restore proper exhaust velocity, eliminate P0420 diagnostic trouble codes, and ensure reliable emissions compliance.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Hyundai Elantra Manifold Degradation and Substrate Breakdown\u003c\/h3\u003e\n\u003cp\u003eFactory exhaust manifold converters on the \u003cstrong\u003eXD\u003c\/strong\u003e and \u003cstrong\u003eHD\u003c\/strong\u003e platforms are notorious for thermal fatigue. Bolted directly to the cylinder head of the 2.0L \u003cstrong\u003eG4GC\u003c\/strong\u003e Beta II engine, the original cast runners endure extreme thermal cycling, causing hairline fractures around the collector weld seams. Concurrently, high-mileage ceramic washcoats degrade and melt, choking exhaust flow, causing excessive backpressure, elevating cylinder head temperatures, and triggering persistent catalyst efficiency fault codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct replacement assembly features heavy-gauge stainless steel tubular construction engineered to flex under heat rather than fracture. CNC-machined mating flanges provide a flat, leak-free seal against the cylinder head and downpipe connections. Internally, a dense, flow-optimized ceramic honeycomb substrate is coated with catalytic precious metals to promote effective hydrocarbon and carbon monoxide oxidation without causing restrictive backpressure spikes. Complete with pre-drilled oxygen sensor bungs in factory locations, it integrates seamlessly without custom fabrication, pipe bending, or MIG welding.\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;\"\u003e2004-2009 Hyundai Elantra\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\u003eG4GC\u003c\/strong\u003e (2.0L Beta II) \/ \u003cstrong\u003eXD\u003c\/strong\u003e \u0026amp; \u003cstrong\u003eHD\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;\"\u003e138 hp \/ 136 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\u003e8H5548\u003c\/strong\u003e, \u003cstrong\u003e6588972\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\u003e2004-2006 Hyundai Elantra (XD Chassis, 2.0L L4 G4GC, Sedan \/ Hatchback, GLS \/ GT \/ Limited)\u003c\/li\u003e\n  \u003cli\u003e2007-2009 Hyundai Elantra (HD Chassis, 2.0L L4 G4GC, Sedan, GLS \/ SE \/ Limited)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the XD and HD chassis Elantra?\u003c\/h4\u003e\n\u003cp\u003eYes, this manifold catalytic converter is engineered to bolt directly to 2004-2009 Hyundai Elantra models equipped with the 2.0L \u003cstrong\u003eG4GC\u003c\/strong\u003e four-cylinder engine.\u003c\/p\u003e\n\n\u003ch4\u003eWill this unit resolve a P0420 check engine light?\u003c\/h4\u003e\n\u003cp\u003eYes, provided upstream fueling and ignition systems are operating correctly, replacing a deteriorated factory converter with this unit restores catalyst threshold efficiency and resolves downstream O2 sensor fault codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Hyundai Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eDaily commuters rely on uninterrupted operational efficiency and consistent fuel economy. Installing a structurally reinforced, direct-fit exhaust manifold assembly eliminates parasitic exhaust restrictions, preserves valvetrain scavenging, and guarantees long-term mechanical reliability without exhaust leaks.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67537682858232,"sku":"DS-EXBXX9WWZ","price":132.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-hyundai-elantra-2004-2009-2-0l-front-1.jpg?v=1790614050","url":"https:\/\/performancechiptuning.com\/es\/products\/catalytic-converter-for-hyundai-elantra-2004-2009-2-0l-front","provider":"Performance Chip Tuning","version":"1.0","type":"link"}