{"product_id":"exhaust-system-with-catalytic-converter-for-toyota-4runner-1996-2000-3-4l","title":"Exhaust System with Catalytic Converter for Toyota 4Runner (1996-2000) 3.4L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit 409 Stainless Exhaust \u0026amp; Catalytic Converter for 1996-2000 Toyota 4Runner (N180)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This bolt-on exhaust and converter kit replaces corroded piping on the \u003cstrong\u003eN180\u003c\/strong\u003e 4Runner \u003cstrong\u003e3.4L 5VZ-FE V6\u003c\/strong\u003e to restore emissions compliance.\u003c\/p\u003e\u003ch3\u003eThe Stock Toyota 4Runner Exhaust Failure\u003c\/h3\u003e\u003cp\u003eOn the third-generation \u003cstrong\u003eN180\u003c\/strong\u003e 4Runner with the \u003cstrong\u003e3.4L 5VZ-FE V6\u003c\/strong\u003e, road salt and thermal cycling rapidly corrode factory mild-steel flanges, mid-pipes, and muffler seams. Prolonged heat soak also fractures the OEM converter's ceramic substrate and degrades catalyst washcoat efficiency. Once pinholes or cracked welds form upstream of the rear O2 sensor, exhaust leaks skew readings and trigger a \u003cstrong\u003eP0420\u003c\/strong\u003e catalyst efficiency fault.\u003c\/p\u003e\u003ch4\u003eCommon Symptoms of a Failing OEM Exhaust System\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Engine Light:\u003c\/strong\u003e Triggers \u003cstrong\u003eP0420\u003c\/strong\u003e from catalyst degradation or exhaust leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRattles \u0026amp; Leaks:\u003c\/strong\u003e Fractured ceramic substrate or rusted gaskets leak fumes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestricted Flow:\u003c\/strong\u003e Collapsed muffler baffles raise backpressure and fail inspections.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Direct-Fit 409 Stainless Solution\u003c\/h3\u003e\u003cp\u003eReplacing OEM part numbers \u003cstrong\u003e53287\u003c\/strong\u003e, \u003cstrong\u003e55054\u003c\/strong\u003e, and \u003cstrong\u003e54081\u003c\/strong\u003e, this complete system is built from corrosion-resistant \u003cstrong\u003e409 stainless steel\u003c\/strong\u003e with mandrel-bent tubing to preserve factory exhaust velocity. Heavy-duty flanges, factory-style hanger rods, and threaded \u003cstrong\u003eO2 sensor bosses\u003c\/strong\u003e bolt directly to stock mounts without cutting or welding. Its EPA-compliant ceramic honeycomb substrate restores proper backpressure and quiet, factory-like acoustic damping under heavy load for the \u003cstrong\u003e3.4L 5VZ-FE V6\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 Manifold Catalytic Converter\u003c\/li\u003e\n\u003cli\u003e1 Mid Pipe \u0026amp; 1 U-Shaped Connecting Pipe\u003c\/li\u003e\n\u003cli\u003e1 Rear Muffler \u0026amp; 1 Tail Extension Pipe\u003c\/li\u003e\n\u003cli\u003e3 U-Clamps, 4 Ring Gaskets \u0026amp; 2 Manifold Gaskets\u003c\/li\u003e\n\u003cli\u003eBolts, Studs, Nuts \u0026amp; Washers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\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;\"\u003e1996-2000 Toyota 4Runner\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;\"\u003e3.4L 5VZ-FE V6 \/ N180\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;\"\u003eEmissions \u0026amp; Substrate\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eEPA Federal (46-State Legal) \/ Ceramic Honeycomb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eInstallation Type\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eDirect Bolt-On OEM Replacement (No Cutting or Welding)\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;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e53287, 55054, 54081\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1996-2000 Toyota 4Runner \u003cstrong\u003e3.4L 5VZ-FE V6\u003c\/strong\u003e (Federal Emissions)\u003c\/li\u003e\n\u003cli\u003eExcludes 4-cylinder models; not legal in CA, CO, NY, ME\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\u003ch4\u003eDoes this fit the N180 4Runner?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Direct fit for 1996-2000 4Runner \u003cstrong\u003e3.4L 5VZ-FE V6\u003c\/strong\u003e federal models. \u003cstrong\u003eExcludes 4-cylinder engines; not legal in CA, CO, NY, ME.\u003c\/strong\u003e\u003c\/p\u003e\u003ch4\u003eDoes it clear P0420 and reuse O2 sensors?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e It resolves \u003cstrong\u003eP0420\u003c\/strong\u003e catalyst codes when healthy stock O2 sensors are reused.\u003c\/p\u003e\u003ch4\u003eAre welding or extra hardware required?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eNo.\u003c\/strong\u003e It bolts to stock mounts using all included gaskets, clamps, and fasteners.\u003c\/p\u003e\u003ch3\u003eThe Toyota Heavy-Duty Standard\u003c\/h3\u003e\u003cp\u003eBuilt for trail durability and towing heat, this \u003cstrong\u003e409 stainless steel\u003c\/strong\u003e exhaust keeps your \u003cstrong\u003eN180\u003c\/strong\u003e leak-free. Restore quiet factory flow in one bolt-on order.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68092048310520,"sku":"DS-EX6S5BXH2","price":319.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/exhaust-system-with-catalytic-converter-for-toyota-4runner-1996-2000-3-4l-1.jpg?v=1794596458","url":"https:\/\/performancechiptuning.com\/fr\/products\/exhaust-system-with-catalytic-converter-for-toyota-4runner-1996-2000-3-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}