{"product_id":"shorty-exhaust-header-for-chevrolet-tahoe-suburban-2007-2014-5-3l","title":"Shorty Exhaust Header for Chevrolet Tahoe Suburban (2007-2014) 5.3L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Flow Shorty Exhaust Headers for 2007-2014 Chevrolet Tahoe, Suburban (GMT900)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Shorty Exhaust Headers replace the restrictive factory cast iron manifolds on 2007-2014 Chevrolet Tahoe and Suburban models to reduce exhaust backpressure, optimize cylinder scavenging, and eliminate broken manifold bolt leaks.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet Tahoe, Suburban Manifold Weakness\u003c\/h3\u003e\n\u003cp\u003eFactory exhaust manifolds on \u003cstrong\u003eGMT900\u003c\/strong\u003e platform trucks powered by the \u003cstrong\u003eVortec 5.3L\u003c\/strong\u003e engine (including \u003cstrong\u003eLY5\u003c\/strong\u003e, \u003cstrong\u003eLMG\u003c\/strong\u003e, and \u003cstrong\u003eLC9\u003c\/strong\u003e variants) are cast iron logs prone to severe thermal stress. Repetitive heat cycling leads to warped mating surfaces and frequently shears the rear manifold-to-head bolts at cylinders 7 and 8. The resulting exhaust leak creates audible ticking, permits unmetered air intrusion that skews upstream O2 readings, and limits exhaust gas velocity through cramped, non-equalized internal passages.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThese shorty headers replace restrictive cast logs with 1.75-inch primary tubes arranged in an efficient 8-2 collector design, transitioning into a 2 3\/8-inch outlet. Manufactured from mandrel-bent stainless steel with TIG and MIG welded joints, the assembly withstands high thermal expansion without cracking. Flat-machined 7\/16-inch cylinder head flanges and 3\/8-inch outlet flanges distribute clamping force evenly across the exhaust ports to eliminate warpage and gasket blowout. Dual integrated O2 sensor bungs accommodate factory oxygen sensors to maintain closed-loop fuel trim accuracy without modifying stock wiring.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 Exhaust Headers (Driver and Passenger Side)\u003c\/li\u003e\n  \u003cli\u003eHeader Gaskets\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;\"\u003e2007-2014 Chevrolet Tahoe, Suburban\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;\"\u003eVortec 5.3L V8 \/ GMT900\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;\"\u003e320 hp \/ 335 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\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2007-2014 Chevrolet Tahoe 5.3L\u003c\/li\u003e\n  \u003cli\u003e2007-2014 Chevrolet Suburban 5.3L\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 GMT900 Tahoe, Suburban?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2007-2014 Chevrolet Tahoe and Suburban equipped with the \u003cstrong\u003eVortec 5.3L\u003c\/strong\u003e engine.\u003c\/p\u003e\n\n\u003ch4\u003eWill this require custom ECM tuning or cutting?\u003c\/h4\u003e\n\u003cp\u003eNo, these shorty headers bolt directly to factory Y-pipe connections and retain stock O2 sensor locations without requiring an immediate tune.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet Durability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered for full-size GM sport utility platforms, this exhaust upgrade supports sustained towing loads and high-temperature cycling while preventing the recurrent exhaust leaks common to factory GM truck manifolds.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67564817744120,"sku":"DS-EWQ1NWO7M","price":179.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/shorty-exhaust-header-for-chevrolet-tahoe-suburban-2007-2014-5-3l-1.jpg?v=1791049379","url":"https:\/\/performancechiptuning.com\/de\/products\/shorty-exhaust-header-for-chevrolet-tahoe-suburban-2007-2014-5-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}