{"product_id":"catalytic-converter-for-subaru-crosstrek-impreza-2017-2020-2-0l","title":"Catalytic Converter for Subaru Crosstrek Impreza (2017-2020) 2.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Catalytic Converter for 2017-2020 Subaru Crosstrek \u0026amp; Impreza (GT\/GK)\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e This direct-fit front Y-pipe catalytic converter replaces the factory emissions unit on 2017-2020 Subaru Impreza and 2018-2020 Crosstrek (\u003cstrong\u003eGT\/GK\u003c\/strong\u003e) \u003cstrong\u003eFB20D 2.0L H4\u003c\/strong\u003e models to restore gas conversion and clear catalyst efficiency codes.\u003c\/p\u003e\u003ch3\u003eThe Stock Subaru Crosstrek \u0026amp; Impreza Exhaust Failure\u003c\/h3\u003e\u003cp\u003eOn the \u003cstrong\u003eGT\/GK\u003c\/strong\u003e platform equipped with the \u003cstrong\u003eFB20D 2.0L H4\u003c\/strong\u003e boxer engine, rapid thermal cycling at both cylinder head exhaust ports subjects the factory Y-pipe converter to intense heat soak and vibration. Unburned fuel from cold starts or misfires overheats the OEM ceramic brick, causing substrate fracture and washcoat degradation. Simultaneously, moisture and road salt corrode factory flange welds, creating exhaust leaks that trigger \u003cstrong\u003eP0420\u003c\/strong\u003e or \u003cstrong\u003eP0430\u003c\/strong\u003e 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 Triggers \u003cstrong\u003eP0420\u003c\/strong\u003e or \u003cstrong\u003eP0430\u003c\/strong\u003e when downstream O2 sensors detect reduced oxygen storage capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Substrate Rattle:\u003c\/strong\u003e Fractured ceramic honeycomb pieces vibrate inside the canister during cold idle and deceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExcessive Exhaust Backpressure:\u003c\/strong\u003e Collapsed catalyst cells restrict flow, hurting throttle response and causing failed emissions inspections.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Direct-Fit Stainless Catalytic Converter Solution\u003c\/h3\u003e\u003cp\u003eThis two-piece front Y-pipe assembly and connecting pipe features corrosion-resistant stainless steel tubing and heavy-duty factory-style head flanges to prevent warping and rust-through. Inside the shell, a ceramic honeycomb substrate with a precious-metal washcoat restores HC, CO, and NOx conversion without choking exhaust flow. Pre- and post-catalyst oxygen sensor bungs match factory \u003cstrong\u003eFB20D\u003c\/strong\u003e harness routing, enabling a true bolt-on install with zero cutting or welding.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 x Front Y-Pipe Catalytic Converter Assembly\u003c\/li\u003e\n\u003cli\u003e1 x Connecting Pipe\u003c\/li\u003e\n\u003cli\u003e2 x Head Gasket\u003c\/li\u003e\n\u003cli\u003e1 x Ring Seal\u003c\/li\u003e\n\u003cli\u003e1 x Flange Gasket\u003c\/li\u003e\n\u003cli\u003e1 x U-Bolt Clamp\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;\"\u003e2017-2020 Subaru Impreza \/ 2018-2020 Subaru Crosstrek\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\u003eFB20D 2.0L H4\u003c\/strong\u003e \/ \u003cstrong\u003eGT\/GK\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;\"\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\u003eSubaru Crosstrek 2.0L H4 Boxer (2018, 2019, 2020) — Chassis \u003cstrong\u003eGT\u003c\/strong\u003e (Excludes Crosstrek Hybrid)\u003c\/li\u003e\n\u003cli\u003eSubaru Impreza 2.0L H4 Boxer (2017, 2018, 2019, 2020) — Chassis \u003cstrong\u003eGT\/GK\u003c\/strong\u003e (Excludes WRX)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\u003ch4\u003eDoes this fit the GT\/GK Crosstrek \u0026amp; Impreza?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e This is a direct fit for 2018-2020 Subaru Crosstrek and 2017-2020 Subaru Impreza models equipped with the \u003cstrong\u003eFB20D 2.0L H4\u003c\/strong\u003e engine. \u003cstrong\u003eExcludes Crosstrek Hybrid and WRX; EPA Federal compliant only and not legal in CA, NY, CO, or ME.\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.\u003c\/strong\u003e A new converter resolves \u003cstrong\u003eP0420\u003c\/strong\u003e and \u003cstrong\u003eP0430\u003c\/strong\u003e codes caused by a worn catalyst once upstream leaks or misfires are repaired. Oxygen sensors are not included; transfer your existing sensors or install new units.\u003c\/p\u003e\u003ch4\u003eAre gaskets and mounting hardware included for installation?\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eYes.\u003c\/strong\u003e Head gaskets, ring seal, flange gasket, and a U-bolt clamp are included. Let the exhaust cool, soak seized studs with penetrating oil, and torque all flange fasteners evenly.\u003c\/p\u003e\u003ch3\u003eThe Subaru Precision Standard\u003c\/h3\u003e\u003cp\u003eEngineered for \u003cstrong\u003eFB20D\u003c\/strong\u003e ECU precision, this assembly restores CEL-free operation and clean federal emissions compliance. Factory hanger geometry and stainless welds ensure rattle-free durability.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":68090055819512,"sku":"DS-EQ11CM8IT","price":347.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-subaru-crosstrek-impreza-2017-2020-2-0l-1.jpg?v=1794585883","url":"https:\/\/performancechiptuning.com\/fr\/products\/catalytic-converter-for-subaru-crosstrek-impreza-2017-2020-2-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}