{"product_id":"catalytic-converter-for-subaru-forester-2007-2008-2-5l-front","title":"Catalytic Converter for Subaru Forester (2007-2008) 2.5L Front","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Front Catalytic Converter for 2007-2008 Subaru Forester (SG)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The front catalytic converter treats raw exhaust emissions from the 2007-2008 Forester while maintaining proper exhaust scavenging and factory backpressure to resolve efficiency-related check engine lights.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Subaru Forester Catalyst Degradation\u003c\/h3\u003e\n\u003cp\u003eFactory manifold-integrated converters on the \u003cstrong\u003eEJ253\u003c\/strong\u003e are prone to washcoat degradation and substrate sintering over sustained thermal cycling. Years of rich fuel trims, high-mileage oil burn, and repeated cold-start thermal shock erode internal precious metal washcoats. This leads to reduced oxygen-storage capacity, persistent P0420 diagnostic trouble codes, deteriorated exhaust flow dynamics, and failed OBD-II emissions readiness tests.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eBuilt with robust stainless steel outer tubing and high-flow ceramic substrate matrices, this direct replacement matches original gas residence times to restore chemical reduction efficiency. Precision-aligned laser-cut flanges prevent pre-sensor exhaust leaks that skew upstream oxygen sensor data, while robotically welded seams withstand excessive vibration from boxer-engine harmonics. The internal cell density provides clean flow paths without excessive exhaust restriction, maintaining proper exhaust scavenging downstream of the cylinder heads.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Front Catalytic Converter\u003c\/li\u003e\n  \u003cli\u003eInstallation Accessories\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: solid font-size: min-width:\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;\"\u003e2007-2008 Subaru Forester\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\u003eEJ253\u003c\/strong\u003e \/ \u003cstrong\u003eSG\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;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e173 hp \/ 166 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;\"\u003e\n\u003cstrong\u003e674-864\u003c\/strong\u003e, \u003cstrong\u003e4096-1854\u003c\/strong\u003e, \u003cstrong\u003e44620-AB620\u003c\/strong\u003e, \u003cstrong\u003e44620-AA970\u003c\/strong\u003e, \u003cstrong\u003e44620-AC07A\u003c\/strong\u003e, \u003cstrong\u003e44620-AC750\u003c\/strong\u003e, \u003cstrong\u003e44620AC750\u003c\/strong\u003e, \u003cstrong\u003e0961856\u003c\/strong\u003e, \u003cstrong\u003e642803\u003c\/strong\u003e, \u003cstrong\u003e674864\u003c\/strong\u003e, \u003cstrong\u003e096-1854\u003c\/strong\u003e, \u003cstrong\u003e18265\u003c\/strong\u003e, \u003cstrong\u003e73050\u003c\/strong\u003e, \u003cstrong\u003e16564\u003c\/strong\u003e, \u003cstrong\u003e44620AA0\u003c\/strong\u003e, \u003cstrong\u003e40859\u003c\/strong\u003e, \u003cstrong\u003e58285\u003c\/strong\u003e\n\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\u003e2007 Subaru Forester 2.5L Front\u003c\/li\u003e\n  \u003cli\u003e2008 Subaru Forester 2.5L Front\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 SG Forester?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2007-2008 Subaru Forester equipped with the \u003cstrong\u003eEJ253\u003c\/strong\u003e engine. \u003cstrong\u003eNot legal for sale or use in California, New York, Colorado, or Maine emissions applications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eIs a computer tune or ECM reflashing required after installation?\u003c\/h4\u003e\n\u003cp\u003eNo ECU recalibration is required, though clearing stored diagnostic trouble codes (DTCs) and executing an OBD-II drive cycle is mandatory to reset oxygen sensor readiness monitors.\u003c\/p\u003e\n\n\u003ch3\u003eThe Subaru Performance Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle the unique pulse frequencies and heat profile of the JDM-rooted boxer platform, delivering factory exhaust flow, clean sensor readings, and true bolt-on reliability.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67563061313784,"sku":"DS-ETQOKIUWM","price":154.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-subaru-forester-2007-2008-2-5l-front-1.jpg?v=1791000099","url":"https:\/\/performancechiptuning.com\/products\/catalytic-converter-for-subaru-forester-2007-2008-2-5l-front","provider":"Performance Chip Tuning","version":"1.0","type":"link"}