{"product_id":"shorty-exhaust-header-for-chevrolet-tahoe-suburban-gmc-yukon-2000-2006-4-8l-5-3l","title":"Shorty Exhaust Header for Chevrolet Tahoe Suburban GMC Yukon (2000-2006) 4.8L 5.3L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Flow Shorty Exhaust Headers for 2000-2006 Chevrolet, GMC Tahoe, Suburban, Yukon (GMT800)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The shorty exhaust header set replaces restrictive factory cast iron manifolds on 2000-2006 GMT800 SUVs to minimize exhaust backpressure and optimize low-to-mid RPM scavenging efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet, GMC Tahoe, Suburban, Yukon Manifold Restrictions\u003c\/h3\u003e\n\u003cp\u003eFactory \u003cstrong\u003eGMT800\u003c\/strong\u003e trucks and SUVs equipped with the \u003cstrong\u003eLR4\u003c\/strong\u003e and \u003cstrong\u003eLM7\u003c\/strong\u003e engines rely on heavy cast iron log manifolds. These OEM units suffer from abrupt internal turns and unequal runner paths that choke cylinder evacuation, trapping exhaust heat and creating high pumping losses. Over repeated thermal cycles, factory cast iron is notorious for warping and shearing the rear cylinder head exhaust manifold bolts (cylinders 7 and 8), creating persistent exhaust leaks that trigger faulty downstream oxygen sensor readings.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis header system is built from fully mandrel-bent 16-gauge (1.5mm) 304 stainless steel, providing a smooth, uniform internal radius across all 1-5\/8 in. (42mm) primary runners. The tubular primaries feed directly into 2-1\/2 in. (64mm) collectors, accelerating exhaust gas velocity without shifting the stock collector location. Mating surfaces feature 3\/8 in. (9.5mm) laser-cut head flanges flattened under hydraulic pressure to ensure a dead-flat seal against aluminum cathedral-port cylinder heads. TIG-welded construction prevents thermal fatigue cracking under heavy load and sustained towing conditions.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 Shorty exhaust headers (driver and passenger side)\u003c\/li\u003e\n  \u003cli\u003e2 Header-to-cylinder-head gaskets\u003c\/li\u003e\n  \u003cli\u003e2 Collector (outlet) gaskets\u003c\/li\u003e\n  \u003cli\u003eMounting bolts and hardware set\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;\"\u003e2000-2006 Chevrolet, GMC Tahoe, Suburban, Yukon\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 4.8L (LR4), 5.3L (LM7\/L59) \/ GMT800\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;\"\u003e270-295 hp \/ 285-335 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;\"\u003eFE008211-34\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\u003e2000-2006 Chevrolet Tahoe 4.8L V8\u003c\/li\u003e\n  \u003cli\u003e2000-2006 Chevrolet Tahoe 5.3L V8\u003c\/li\u003e\n  \u003cli\u003e2000-2006 Chevrolet Suburban 1500 5.3L V8\u003c\/li\u003e\n  \u003cli\u003e2000-2006 GMC Yukon 4.8L V8\u003c\/li\u003e\n  \u003cli\u003e2000-2006 GMC Yukon 5.3L V8\u003c\/li\u003e\n  \u003cli\u003e2000-2006 GMC Yukon XL 1500 5.3L V8\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 GMT800 Tahoe, Suburban, Yukon?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct bolt-on fit for the 2000-2006 Chevrolet and GMC full-size SUVs running the \u003cstrong\u003eLR4\u003c\/strong\u003e (4.8L) or \u003cstrong\u003eLM7\/L59\u003c\/strong\u003e (5.3L) Vortec V8 engines; it does not fit 6.0L or 8.1L big-block platforms.\u003c\/p\u003e\n\n\u003ch4\u003eAre modifications required to retain the factory Y-pipe?\u003c\/h4\u003e\n\u003cp\u003eNo, the 2-1\/2 in. collector locations match OEM manifold geometry, bolting directly to the factory Y-pipe without cutting, welding, or ECU tuning required.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet, GMC Towing \u0026amp; Durability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle severe duty cycles, this 304 stainless steel assembly resists oxidation under high cylinder head temperatures, ensuring maximum mid-range torque retention and leak-free performance during heavy payload and trailer hauling.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67901491216632,"sku":"DS-E6ZONVHJQ","price":269.95,"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-gmc-yukon-2000-2006-4-8l-5-3l-1.jpg?v=1793337426","url":"https:\/\/performancechiptuning.com\/fr\/products\/shorty-exhaust-header-for-chevrolet-tahoe-suburban-gmc-yukon-2000-2006-4-8l-5-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}