{"product_id":"catalytic-converter-for-honda-civic-2012-2013-1-8l","title":"Catalytic Converter for Honda Civic (2012-2013) 1.8L","description":"\u003ch2\u003eDirect-Fit Catalytic Converter for 2012-2013 Honda Civic\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eReplaces degraded or clogged factory emissions units to restore factory backpressure, exhaust gas scavenging, and clear catalyst-efficiency Diagnostic Trouble Codes.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Civic Catalyst Degradation and Thermal Fatigue\u003c\/h3\u003e\n\u003cp\u003eThe factory catalytic converter on the 1.8L Civic encounters extreme thermal cycling due to its close-coupled position near the cylinder head exhaust port. Over extended operation, high heat and vibration cause washcoat sintering, catalyst degradation, and micro-fracturing across the ceramic monolith. This structural breakdown increases exhaust backpressure, restricts volumetric efficiency, and inevitably trips persistent P0420 diagnostic trouble codes on the 9th-generation platform.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eFabricated with a corrosion-resistant stainless steel outer shell, this replacement converter resists thermal distortion and harsh underbody environments. The high-efficiency ceramic substrate features an optimized cell density and precious-metal loading to maximize surface contact, effectively oxidizing unburned hydrocarbons without choking flow. OE-spec flanges ensure flat, leak-free sealing with the included hardware and gaskets, while the integrated oxygen sensor boss maintains correct probe depth for precise closed-loop ECU fuel trimming.\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;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2012-2013 Honda Civic (1.8L)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eR18Z1 \/ FB2 (Sedan), FG1 (Coupe)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e140 hp \/ 128 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBER638490\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2012 Honda Civic 1.8L L4 (Coupe, Sedan - DX, EX, EX-L, HF, LX)\u003c\/li\u003e\n  \u003cli\u003e2013 Honda Civic 1.8L L4 (Coupe, Sedan - EX, EX-L, HF, LX)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Honda Precision Standard\u003c\/h3\u003e\n\u003cp\u003eCalibrated to meet factory OBD-II emissions protocols, this converter preserves OEM engine response and acoustic levels without triggering secondary O2 sensor CEL faults or introducing cabin drone.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50488433737976,"sku":"DS-ER129P8K7","price":116.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-honda-civic-2012-2013-1-8l-1.jpg?v=1789149546","url":"https:\/\/performancechiptuning.com\/fr\/products\/catalytic-converter-for-honda-civic-2012-2013-1-8l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}