{"product_id":"catalytic-converter-for-buick-regal-2014-2017-2-0l","title":"Catalytic Converter for Buick Regal (2014-2017) 2.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Stainless Catalytic Converter for 2014-2017 Buick Regal (Epsilon II)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This direct-fit close-coupled catalytic converter bolts behind the turbocharger on 2014-2017 \u003cstrong\u003eEpsilon II\u003c\/strong\u003e Buick Regal models with the \u003cstrong\u003eLTG 2.0L Turbo I4\u003c\/strong\u003e to restore emissions compliance and exhaust flow.\u003c\/p\u003e\u003ch3\u003eThe Stock Buick Regal Catalyst Failure\u003c\/h3\u003e\u003cp\u003eMounted directly at the turbocharger outlet on the \u003cstrong\u003eEpsilon II\u003c\/strong\u003e chassis, the factory close-coupled converter on the \u003cstrong\u003eLTG 2.0L Turbo I4\u003c\/strong\u003e endures extreme exhaust gas temperatures and rapid thermal cycling. Over time, sustained heat soak degrades the precious-metal washcoat and fractures the brittle internal ceramic monolith. Once the substrate cracks or collapses, exhaust backpressure climbs, turbo spool suffers, and downstream sensors detect lost oxygen storage capacity, triggering persistent \u003cstrong\u003eP0420\u003c\/strong\u003e or \u003cstrong\u003eP0430\u003c\/strong\u003e catalyst efficiency fault codes.\u003c\/p\u003e\u003ch4\u003eCommon Symptoms of a Failing OEM Catalytic Converter\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck Engine Light \/ DTCs:\u003c\/strong\u003e Illuminated MIL with \u003cstrong\u003eP0420\u003c\/strong\u003e or \u003cstrong\u003eP0430\u003c\/strong\u003e triggered by depleted catalyst washcoat efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetallic Substrate Rattle:\u003c\/strong\u003e Audible rattling from the downpipe assembly caused by a fractured ceramic core bouncing inside the housing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivability \u0026amp; Emissions Failure:\u003c\/strong\u003e Sluggish boost response from elevated exhaust backpressure and failed OBD-II emissions readiness testing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Direct-Fit Stainless Catalytic Converter Solution\u003c\/h3\u003e\u003cp\u003eBuilt as a true OE-style replacement, this converter restores clean emissions conversion and smooth exhaust scavenging using a heavy-duty \u003cstrong\u003estainless steel body\u003c\/strong\u003e and piping engineered to resist rust and thermal fatigue. Inside, a \u003cstrong\u003eceramic honeycomb substrate\u003c\/strong\u003e treated with a precious-metal washcoat efficiently oxidizes HC and CO while reducing NOx. Precision factory-spec turbo flanges, support brackets, and pre- and post-catalyst \u003cstrong\u003e2 oxygen sensor ports\u003c\/strong\u003e ensure a leak-free bolt-on installation with no cutting or welding.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 x Direct-Fit Catalytic Converter (8 in body length, 5 in body height)\u003c\/li\u003e\n\u003cli\u003e1 x Ring Seal\u003c\/li\u003e\n\u003cli\u003e1 x Turbo Flange Gasket\u003c\/li\u003e\n\u003cli\u003e4 x Bolts with Nuts and 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;\"\u003e2014-2017 Buick Regal\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;\"\u003eLTG 2.0L Turbo I4 \/ Epsilon II\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\u003c\/table\u003e\u003c\/div\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2014, 2015, 2016, 2017 Buick Regal Base (2.0L Turbo I4)\u003c\/li\u003e\n\u003cli\u003e2014, 2015, 2016, 2017 Buick Regal Premium (2.0L Turbo I4)\u003c\/li\u003e\n\u003cli\u003e2014, 2015, 2016, 2017 Buick Regal Sport Touring (2.0L Turbo I4)\u003c\/li\u003e\n\u003cli\u003e2014, 2015, 2016, 2017 Buick Regal GS (2.0L Turbo I4)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\u003ch4\u003eDoes this fit the Epsilon II Regal?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e This is a direct fit for the 2014-2017 Buick Regal equipped with the \u003cstrong\u003eLTG 2.0L Turbo I4\u003c\/strong\u003e engine. \u003cstrong\u003eIt does not fit 2.4L or eAssist models, and as an EPA federal (non-CARB) converter, it is not legal for vehicles registered in California, New York, Colorado, or Maine.\u003c\/strong\u003e\u003c\/p\u003e\u003ch4\u003eWill this clear P0420\/P0430 codes, and are O2 sensors included?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes, when caused by a worn catalyst; O2 sensors are not included.\u003c\/strong\u003e Replacing a degraded converter restores proper oxygen storage to resolve \u003cstrong\u003eP0420\u003c\/strong\u003e\/\u003cstrong\u003eP0430\u003c\/strong\u003e codes, provided you inspect for exhaust leaks and transfer or replace your existing sensors.\u003c\/p\u003e\u003ch4\u003eAre gaskets and mounting hardware included for installation?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e A turbo flange gasket, ring seal, and four bolts with nuts and washers are included; soak old turbo studs with penetrating oil and torque all fasteners evenly once cooled.\u003c\/p\u003e\u003ch3\u003eThe Buick Precision Standard\u003c\/h3\u003e\u003cp\u003eDesigned for strict OBD-II ECU calibration and forced-induction thermal demands, this converter maintains proper backpressure and clean emissions on your \u003cstrong\u003eEpsilon II\u003c\/strong\u003e chassis. Restore quiet, CEL-free operation with an exact factory-geometry bolt-on assembly.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68085734899960,"sku":"DS-EVCKPG5QA","price":194.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-buick-regal-2014-2017-2-0l-1.jpg?v=1794549689","url":"https:\/\/performancechiptuning.com\/de\/products\/catalytic-converter-for-buick-regal-2014-2017-2-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}