{"product_id":"catalytic-converter-for-nissan-pathfinder-2013-2019-3-5l-front-rear","title":"Catalytic Converter for Nissan Pathfinder (2013-2019) 3.5L Front \u0026 Rear","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Replacement Flex Y-Pipe Catalytic Converter for 2013-2019 Nissan Pathfinder (R52)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The direct-fit flex Y-pipe catalytic converter replaces degraded factory emissions pipework and clogged substrate on the 2013-2019 Nissan Pathfinder to restore proper exhaust scavenging and eliminate catalyst inefficiency diagnostic trouble codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Nissan Pathfinder Exhaust Flex \u0026amp; Substrate Failure\u003c\/h3\u003e\n\u003cp\u003eOn the fourth-generation \u003cstrong\u003eR52\u003c\/strong\u003e platform, cyclic thermal expansion and constant engine torsional movement place intense shear strain on the low-grade factory exhaust flex joints. Over time, internal wire mesh braids fatigue and tear, causing pronounced pre-catalyst exhaust leaks, false downstream oxygen sensor readings, and persistent P0420\/P0430 DTCs. Simultaneously, continuous thermal cycling deteriorates the original ceramic washcoat, leading to substrate sintering, reduced flow velocity, and increased backpressure that strangles exhaust flow across both cylinder banks.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered to resolve transverse engine movement issues, this unified Y-pipe assembly integrates heavy-duty, double-braided stainless steel flex sections that isolate engine vibration and prevent stress-cracking at the merge collector. Built with high-grade stainless steel tubing and durable ceramic substrate cores, this direct replacement matches original gas residence times while lowering restriction compared to fouled stock units. Thick, laser-cut flanges prevent thermal warping and ensure a leak-free seal across both front and rear manifold connections.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Flex Y-pipe catalytic converter assembly\u003c\/li\u003e\n  \u003cli\u003eInstallation accessories supplied with the converter\u003c\/li\u003e\n\u003c\/ul\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;\"\u003e2013-2019 Nissan Pathfinder\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\u003eVQ35DE\u003c\/strong\u003e \/ \u003cstrong\u003eVQ35DD\u003c\/strong\u003e (3.5L V6) \/ \u003cstrong\u003eR52\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;\"\u003e260-284 hp \/ 240-259 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\u003e54976\u003c\/strong\u003e, \u003cstrong\u003e643144\u003c\/strong\u003e, \u003cstrong\u003e41189\u003c\/strong\u003e, \u003cstrong\u003e15H41189\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\u003e2013-2019 Nissan Pathfinder 3.5L V6 (S, SV, SL, Platinum)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the R52 Pathfinder?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2013-2019 Nissan Pathfinder equipped with the 3.5L \u003cstrong\u003eVQ35DE\u003c\/strong\u003e or \u003cstrong\u003eVQ35DD\u003c\/strong\u003e engine. \u003cstrong\u003eThis component is 46-state legal and is not legal for sale, installation, or use on vehicles registered in California, New York, Colorado, or Maine emissions jurisdictions.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eIs this unit a rear-only converter?\u003c\/h4\u003e\n\u003cp\u003eNo, this single-piece Y-pipe assembly spans and integrates both the front and rear intermediate exhaust sections into one direct-fit housing.\u003c\/p\u003e\n\n\u003ch3\u003eThe Nissan Durability Standard\u003c\/h3\u003e\n\u003cp\u003eDesigned for daily towing and all-weather utility, this heavy-gauge stainless steel catalytic converter assembly withstands continuous thermal cycling and road salt exposure without the structural fatigue common to factory thin-wall flex pipe designs.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67563020484856,"sku":"DS-E6R60FVMZ","price":166.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-nissan-pathfinder-2013-2019-3-5l-front-rear-1.jpg?v=1790999311","url":"https:\/\/performancechiptuning.com\/de\/products\/catalytic-converter-for-nissan-pathfinder-2013-2019-3-5l-front-rear","provider":"Performance Chip Tuning","version":"1.0","type":"link"}