{"product_id":"catalytic-converter-for-cadillac-ats-2013-2016-2-5l","title":"Catalytic Converter for Cadillac ATS (2013-2016) 2.5L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Replacement Catalytic Converter for 2013-2016 Cadillac ATS (Alpha)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The direct-fit catalytic converter replaces the degraded factory emissions unit on the 2013-2016 Cadillac ATS to eliminate P0420 diagnostic trouble codes, restore exhaust scavenging efficiency, and ensure EPA emissions compliance.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Cadillac ATS Catalyst Degradation\u003c\/h3\u003e\n\u003cp\u003eOver extended thermal cycling and continuous exposure to unburned hydrocarbons, the factory ceramic monolith on the \u003cstrong\u003eGM Alpha platform\u003c\/strong\u003e ATS breaks down. Thermal shock, rich operating conditions, and exhaust vibrations cause structural washcoat degradation, catalyst sintering, and mechanical fracturing of the internal substrate. This matrix breakdown restricts exhaust velocity, creates audible underbody rattles, and reduces oxygen storage capacity below threshold levels, inevitably triggering persistent \u003cstrong\u003eP0420\u003c\/strong\u003e catalytic efficiency fault codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered as a direct bolt-on replacement for the naturally aspirated \u003cstrong\u003e2.5L LCV Ecotec\u003c\/strong\u003e, this assembly utilizes a corrosion-resistant 409 stainless steel housing paired with precision mandrel-bent tubing to sustain high-heat duty cycles. Internally, a dense ceramic honeycomb monolith carries an optimized washcoat blend of precious metals (platinum, palladium, and rhodium) to efficiently oxidize unburnt hydrocarbons and carbon monoxide while reducing oxides of nitrogen. Factory-located O2 sensor bungs and laser-cut flanges align seamlessly with the OEM downpipe and cat-back slip joints, maintaining stock backpressure parameters without cutting or welding.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Direct-fit catalytic converter\u003c\/li\u003e\n  \u003cli\u003eExhaust flange gasket(s)\u003c\/li\u003e\n  \u003cli\u003eMounting hardware pack\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;\"\u003e2013-2016 Cadillac ATS\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;\"\u003e2.5L LCV \/ GM Alpha Platform\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;\"\u003e202 hp \/ 191 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;\"\u003eN\/A\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 Cadillac ATS Base \/ Luxury (2.5L L4 Gas)\u003c\/li\u003e\n  \u003cli\u003e2014 Cadillac ATS Base \/ Luxury (2.5L L4 Gas)\u003c\/li\u003e\n  \u003cli\u003e2015 Cadillac ATS Base \/ Luxury (2.5L L4 Gas)\u003c\/li\u003e\n  \u003cli\u003e2016 Cadillac ATS Base (2.5L L4 Gas)\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 Alpha ATS?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2013-2016 Cadillac ATS equipped with the \u003cstrong\u003e2.5L LCV\u003c\/strong\u003e naturally aspirated engine. \u003cstrong\u003eThis part does not fit models equipped with the 2.0L LTG Turbo or 3.6L LFX\/LGX V6 engines, and is not legal for sale or use in California or CARB-compliant states.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eWill this clear the P0420 catalytic efficiency diagnostic trouble code?\u003c\/h4\u003e\n\u003cp\u003eYes, replacing a fouled or collapsed OEM substrate with this OBD-II compliant unit will restore catalyst conversion efficiency and extinguish the check engine light once drive cycles clear.\u003c\/p\u003e\n\n\u003ch3\u003eThe Cadillac Precision Standard\u003c\/h3\u003e\n\u003cp\u003eMaintaining factory emissions diagnostics on luxury sport sedans requires exact oxygen storage tolerances to eliminate check engine lights without disrupting engine management calibration.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67911305298168,"sku":"DS-EQR4P7JM0","price":218.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-cadillac-ats-2013-2016-2-5l-1.jpg?v=1793399543","url":"https:\/\/performancechiptuning.com\/es\/products\/catalytic-converter-for-cadillac-ats-2013-2016-2-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}