{"product_id":"catalytic-converter-for-mercury-montego-2005-2007-3-0l","title":"Catalytic Converter for Mercury Montego (2005-2007) 3.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Manifold Catalytic Converter for 2005-2007 Mercury Montego (D3)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The catalytic converter replaces degraded factory emissions equipment on the 2005-2007 Mercury Montego to restore exhaust scavenging velocity, normalize oxygen sensor feedback loops, and eliminate persistent P0420 and P0430 diagnostic trouble codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Mercury Montego Exhaust Restriction \u0026amp; Sintering\u003c\/h3\u003e\n\u003cp\u003eFactory manifold converters on the \u003cstrong\u003eDuratec 30\u003c\/strong\u003e 3.0L V6 undergo extreme thermal cycling due to their proximity to the exhaust ports on the \u003cstrong\u003eD3\u003c\/strong\u003e platform. Over sustained mileage, internal ceramic washcoat sintering degrades the precious metal catalyst layer, hindering chemical reduction of exhaust emissions. Furthermore, physical matrix breakdown or thermal substrate cracking causes elevated backpressure, choking top-end power, destabilizing closed-loop fuel trims, and triggering diagnostic trouble codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis manifold-style unit incorporates a high-efficiency ceramic honeycomb core housed in heavy-gauge, corrosion-resistant stainless steel to resist thermal fatigue and physical shock. Engineered to factory geometry, it features precision-machined OE flanges and factory-located pre- and post-catalytic oxygen sensor bungs to ensure plug-and-play installation without cutting or welding. Restoring proper exhaust gas expansion and gas dwell times, this converter eliminates false downstream O2 readings and returns backpressure to factory engineering parameters. Replaces OE part numbers \u003cstrong\u003e16336\u003c\/strong\u003e, \u003cstrong\u003e16587\u003c\/strong\u003e, and \u003cstrong\u003e16586\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Manifold-Style Catalytic Converter\u003c\/li\u003e\n  \u003cli\u003eFlange Gasket\u003c\/li\u003e\n  \u003cli\u003eMounting Hardware (Bolts\/Spring Kit)\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;\"\u003e2005-2007 Mercury Montego\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;\"\u003eDuratec 30 (3.0L V6) \/ D3\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;\"\u003e203 hp \/ 207 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;\"\u003e16336, 16587, 16586\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\u003e2005 Mercury Montego (3.0L V6 Duratec)\u003c\/li\u003e\n  \u003cli\u003e2006 Mercury Montego (3.0L V6 Duratec)\u003c\/li\u003e\n  \u003cli\u003e2007 Mercury Montego (3.0L V6 Duratec)\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 D3 Montego?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2005-2007 Mercury Montego equipped with the \u003cstrong\u003eDuratec 30\u003c\/strong\u003e engine. \u003cstrong\u003eThis 48-state EPA-compliant converter cannot be shipped to or registered in California, Colorado, New York, or Maine.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to weld or modify my exhaust system?\u003c\/h4\u003e\n\u003cp\u003eNo, this unit is a true bolt-on replacement designed with factory-spec flanges and mounting points to bolt directly to cylinder heads and downstream piping.\u003c\/p\u003e\n\n\u003ch3\u003eThe Mercury Caliber\u003c\/h3\u003e\n\u003cp\u003ePreserve smooth cruising and clean tailpipe emissions on your full-size domestic sedan with direct-replacement exhaust components built to survive extreme thermal duty.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67901627728120,"sku":"DS-EV9IUIICC","price":133.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-mercury-montego-2005-2007-3-0l-1.jpg?v=1793339831","url":"https:\/\/performancechiptuning.com\/de\/products\/catalytic-converter-for-mercury-montego-2005-2007-3-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}