{"product_id":"catalytic-converter-for-cadillac-srx-2010-2015-3-0l-3-6l-bank-1","title":"Catalytic Converter for Cadillac SRX (2010-2015) 3.0L 3.6L Bank 1","description":"\u003ch2\u003eDirect-Fit Bank 1 Catalytic Converter for 2010-2015 Cadillac SRX\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Bank 1 catalytic converter restores proper exhaust flow and emissions compliance on the 2010-2015 Cadillac SRX by eliminating substrate restrictions and clearing downstream diagnostic trouble codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Cadillac SRX Catalyst Degradation\u003c\/h3\u003e\n\u003cp\u003eFactory catalytic converters on the transverse-mounted GM \u003cstrong\u003eTheta\u003c\/strong\u003e platform frequently suffer from thermal fatigue and substrate washcoat degradation due to sustained high exhaust gas temperatures. In the High Feature V6 architecture, heat cycling causes the factory ceramic washcoat to sinter or break down, degrading noble metal reactivity. Over time, internal core fracture or carbon poisoning leads to catalyst efficiency failure codes such as \u003cstrong\u003eP0420\u003c\/strong\u003e, erratic downstream O2 sensor voltages, elevated exhaust backpressure, and choked mid-range throttle response.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered as an exact bolt-on replacement for the firewall-side manifold collector, this direct-fit Bank 1 assembly restores factory backpressure profiles and exhaust scavenging efficiency. Built with an industrial-grade 409 stainless steel outer casing, it resists corrosion, thermal distortion, and road salt degradation. Inside, a high-flow honeycomb ceramic substrate features an optimized washcoat formulation that maximizes exhaust contact surface area. CNC-machined flanges and precision TIG-welded seams ensure a gas-tight seal against the cylinder head and downpipe, preventing pre-catalyst oxygen leaks without requiring cutting or custom pipe bending.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; margin-bottom: 20px;\"\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;\"\u003e2010-2015 Cadillac SRX (Bank 1)\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;\"\u003e3.0L LF1, 3.6L LFX High Feature V6 \/ GM Theta\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;\"\u003e265-308 hp \/ 223-265 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;\"\u003e16852\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2010-2011 Cadillac SRX 3.0L V6 (LF1 Engine, Bank 1)\u003c\/li\u003e\n  \u003cli\u003e2012-2015 Cadillac SRX 3.6L V6 (LFX Engine, Bank 1)\u003c\/li\u003e\n  \u003cli\u003eFits Base, Luxury, Performance, and Premium trim levels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the GM Theta SRX?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 2010-2015 Cadillac SRX equipped with the \u003cstrong\u003eLF1\u003c\/strong\u003e 3.0L and \u003cstrong\u003eLFX\u003c\/strong\u003e 3.6L High Feature V6 engines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this resolve the P0420 catalytic converter efficiency DTC?\u003c\/strong\u003e\u003cbr\u003e Yes, replacing a degraded Bank 1 unit with this high-efficiency ceramic substrate assembly restores standard exhaust scrubbing and clears catalyst efficiency diagnostic codes when paired with operational O2 sensors.\u003c\/p\u003e\n\n\u003ch3\u003eThe Cadillac Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to deliver luxury crossover reliability, this replacement assembly maintains cabin quietness and emission system precision to ensure seamless operation without check engine lights or cabin drone.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50501128421624,"sku":"DS-EHT4B443I","price":158.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-cadillac-srx-2010-2015-3-0l-3-6l-bank-1-1.jpg?v=1789326235","url":"https:\/\/performancechiptuning.com\/fr\/products\/catalytic-converter-for-cadillac-srx-2010-2015-3-0l-3-6l-bank-1","provider":"Performance Chip Tuning","version":"1.0","type":"link"}