{"product_id":"exhaust-manifold-for-chevrolet-equinox-gmc-terrain-2010-2012-2-4l","title":"Exhaust Manifold for Chevrolet Equinox GMC Terrain (2010-2012) 2.4L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHeavy-Duty Direct-Fit Exhaust Manifold for 2010-2012 Chevrolet Equinox \u0026amp; GMC Terrain (Theta Platform)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Exhaust Manifold directly replaces cracked or warped factory manifolds on the 2010-2012 Chevrolet Equinox and GMC Terrain to restore proper exhaust sealing, resolve pre-catalyst leaks, and eliminate cabin exhaust odors.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet,GMC Equinox,Terrain Exhaust Manifold Fatigue \u0026amp; Thermal Stress Cracking\u003c\/h3\u003e\n\u003cp\u003eThe factory cast manifold on the \u003cstrong\u003eGM Ecotec 2.4L (LAF \/ LEA)\u003c\/strong\u003e engine suffers chronic thermal fatigue from high-frequency heat cycling. Due to uneven wall thickness and excessive cylinder head thermal expansion on the \u003cstrong\u003eGM Theta\u003c\/strong\u003e platform, the OEM casting consistently develops hairline fractures along the primary collector runners and flange webbing. These structural cracks cause audible cold-start exhaust ticking, false lean sensor readings from upstream ambient air scavenging, illumination of P0171\/P0420 diagnostic trouble codes, and hazardous exhaust fumes migrating into the HVAC air intake.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered as an upgraded OE-spec replacement, this unit is poured from high-tensile ductile iron with enhanced carbon stabilization to resist structural distortion and micro-fissuring under continuous 1,400°F exhaust gas temperatures. Precision-machined cylinder head and collector flanges provide true planar alignment, preventing uneven clamping forces across the exhaust ports. Features a factory-placed upstream M18x1.5 oxygen sensor bung and reinforced collector radii to handle thermal shock, directly replacing OEM part \u003cstrong\u003e12609823\u003c\/strong\u003e without cutting, welding, or clearance modifications.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Exhaust Manifold\u003c\/li\u003e\n  \u003cli\u003e1 Set Manifold Gaskets\u003c\/li\u003e\n  \u003cli\u003e1 Set Mounting Bolts and Nuts\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;\"\u003e2010-2012 Chevrolet Equinox, GMC Terrain\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;\"\u003e2.4L Ecotec (LAF \/ LEA) \/ GM Theta 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;\"\u003e182 hp \/ 172 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;\"\u003e12609823, 674-940, 674940\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\u003e2010 Chevrolet Equinox 2.4L L4 (Gas)\u003c\/li\u003e\n  \u003cli\u003e2011 Chevrolet Equinox 2.4L L4 (Gas \/ Flex Fuel)\u003c\/li\u003e\n  \u003cli\u003e2012 Chevrolet Equinox 2.4L L4 (Gas \/ Flex Fuel)\u003c\/li\u003e\n  \u003cli\u003e2010 GMC Terrain 2.4L L4 (Gas)\u003c\/li\u003e\n  \u003cli\u003e2011 GMC Terrain 2.4L L4 (Gas \/ Flex Fuel)\u003c\/li\u003e\n  \u003cli\u003e2012 GMC Terrain 2.4L L4 (Gas \/ Flex Fuel)\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 GM Theta platform Equinox and Terrain?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2010-2012 Chevrolet Equinox and GMC Terrain equipped with the \u003cstrong\u003e2.4L Ecotec\u003c\/strong\u003e engine. \u003cstrong\u003eNote: This unit will NOT fit models equipped with the 3.0L or 3.6L High Feature V6 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eAre new installation hardware and gaskets included with this manifold?\u003c\/h4\u003e\n\u003cp\u003eYes, the manifold ships complete with new replacement gaskets, flange studs, and nuts required to secure a reliable, leak-free seal to factory torque specifications.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet \u0026amp; GMC Workhorse Standard\u003c\/h3\u003e\n\u003cp\u003eBuilt to handle heavy daily commutes, cross-country highway miles, and severe weather duties, this replacement manifold delivers OEM-grade structural reliability, ensuring zero emissions leaks and durable performance for your utility crossover.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67591994081528,"sku":"DS-E891DIE16","price":89.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/exhaust-manifold-for-chevrolet-equinox-gmc-terrain-2010-2012-2-4l-1.jpg?v=1791395894","url":"https:\/\/performancechiptuning.com\/products\/exhaust-manifold-for-chevrolet-equinox-gmc-terrain-2010-2012-2-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}