{"product_id":"catalytic-converter-for-chevrolet-trailblazer-2006-2009-5-3l-6-0l-front-rear","title":"Catalytic Converter for Chevrolet Trailblazer (2006-2009) 5.3L 6.0L Front \u0026 Rear","description":"\u003ch2\u003eDirect-Fit Catalytic Converter Assembly for 2006-2009 Chevrolet Trailblazer\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Front \u0026amp; Rear Catalytic Converter Assembly replaces degraded OEM emissions components on the 2006-2009 Trailblazer to restore factory exhaust scavenging and eliminate catalyst inefficiency diagnostic trouble codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet Trailblazer Exhaust Restriction and Substrate Breakdown\u003c\/h3\u003e\n\u003cp\u003eFactory catalytic converters on the \u003cstrong\u003eGMT360\u003c\/strong\u003e platform degrade under sustained thermal loads and high-mileage exhaust gas temperatures. Over time, engine oil blow-by and rich fuel conditions contaminate the factory precious metal washcoat, causing catalytic degradation that triggers persistent \u003cstrong\u003eP0420\u003c\/strong\u003e and \u003cstrong\u003eP0430\u003c\/strong\u003e trouble codes. Internally, deteriorating OEM ceramic washcoats crumble or fuse, creating severe exhaust backpressure that chokes off mid-range torque, spikes combustion temperatures, and reduces engine efficiency under sustained towing loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eConstructed with a heavy-gauge \u003cstrong\u003estainless steel\u003c\/strong\u003e outer shell, this complete direct-fit front and rear converter assembly delivers structural rigidity and heat dissipation. The internal monolithic \u003cstrong\u003eceramic substrate\u003c\/strong\u003e features optimized cell density and precious metal loading to maximize chemical reduction of CO, HC, and NOx without restricting exhaust velocity. Factory-matched direct-fit flanged connections, pre-welded exhaust hangers, and precision-tapped oxygen sensor bungs eliminate custom cutting, bending, or welding on the assembly line.\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;\"\u003e2006-2009 Chevrolet Trailblazer\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;\"\u003e5.3L \u003cstrong\u003eLH6\u003c\/strong\u003e, 6.0L \u003cstrong\u003eLS2\u003c\/strong\u003e \/ \u003cstrong\u003eGMT360\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;\"\u003e300 - 395 hp \/ 321 - 400 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;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2006-2008 Chevrolet Trailblazer LT 5.3L V8 (LH6)\u003c\/li\u003e\n  \u003cli\u003e2006-2009 Chevrolet Trailblazer SS 6.0L V8 (LS2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the GMT360 Trailblazer?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 2006-2009 Chevrolet Trailblazer equipped with the \u003cstrong\u003eLH6\u003c\/strong\u003e or \u003cstrong\u003eLS2\u003c\/strong\u003e V8 engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this assembly clear P0420 and P0430 trouble codes?\u003c\/strong\u003e\u003cbr\u003e Yes, it restores standard emissions scrub rates to resolve catalyst-efficiency diagnostic codes when upstream fuel trims are operating properly.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet Durability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle severe heat cycles and gross vehicle weight ratings, this direct-fit converter preserves exhaust velocity and structural integrity whether hauling cargo or enduring hard highway towing.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50502063751416,"sku":"DS-E2EOK8JT0","price":367.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/catalytic-converter-for-chevrolet-trailblazer-2006-2009-5-3l-6-0l-front-rear-1.jpg?v=1789335543","url":"https:\/\/performancechiptuning.com\/fr\/products\/catalytic-converter-for-chevrolet-trailblazer-2006-2009-5-3l-6-0l-front-rear","provider":"Performance Chip Tuning","version":"1.0","type":"link"}