{"product":{"id":11350206579030,"title":"Kooks GM 1500 6.2L GREEN Header and Y-Pipe Kit (2019+) | 2863H430","body_html":"\u003ch2\u003eLet your 6.2-litre V8 do more of the talking\u003c\/h2\u003e\u003cp\u003eUpgrade the front exhaust on your 6.2-litre GM truck with Kooks long tube headers and a matching GREEN catted Y-pipe. The kit pairs 1-7\/8\" headers with a 3\" Y-pipe and a 3-1\/2\" OEM rear outlet, so you can improve the front system while keeping the rear exhaust you enjoy.\u003c\/p\u003e\u003cp\u003eSKU: 2863H430\u003c\/p\u003e\u003ch2\u003eA kit matched to the 6.2\u003c\/h2\u003e\u003cp\u003eThe 1-7\/8\" primaries lead into 3\" collectors and the supplied GREEN Y-pipe. The 3-1\/2\" rear interface is part of this 6.2-litre configuration; it is different from the 2-3\/4\" outlet used on the equivalent 5.3 kit. That makes the engine choice relevant to the complete exhaust, not just the headers.\u003c\/p\u003e\u003ch2\u003eReady for your supercharged build\u003c\/h2\u003e\u003cp\u003eGREEN cats suit both naturally aspirated and forced-induction engines, making this the appropriate choice if your 6.2-litre build includes a supercharger. The headers and Y-pipe arrive as a matched front system, with the OEM rear connection for your existing exhaust.\u003c\/p\u003e\u003ch2\u003eTuning for your exhaust upgrade\u003c\/h2\u003e\u003cp\u003eWe recommend tuning with every header installation so the calibration suits your new headers, complete exhaust and fuel. \u003ca href=\"https:\/\/hooniesadrenaline.co.uk\/pages\/contact\"\u003eContact us\u003c\/a\u003e to discuss the right tuning route for your vehicle.\u003c\/p\u003e\u003ch2\u003eVehicle fitment\u003c\/h2\u003e\u003cdiv class=\"table-scroll\"\u003e\u003ctable class=\"vehicle-fitment\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eYears\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eVehicle \/ trim\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eEngine\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eApplicable SKU\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eFitting conditions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2023\u003c\/td\u003e\n\u003ctd\u003eCadillac Escalade\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003e2863H430\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2024\u003c\/td\u003e\n\u003ctd\u003eChevrolet Suburban\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003e2863H430\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019-2024\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado 1500 LTZ\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003e2863H430\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019-2024\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado 1500 High Country\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003e2863H430\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2024\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado 1500 RST\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003e2863H430\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado 1500 LT Trail Boss\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003e2863H430\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2022-2024\u003c\/td\u003e\n\u003ctd\u003eChevrolet Silverado 1500 ZR2\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003e2863H430\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2024\u003c\/td\u003e\n\u003ctd\u003eChevrolet Tahoe High Country\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003e2863H430\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2024\u003c\/td\u003e\n\u003ctd\u003eGMC Yukon XL\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003e2863H430\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019-2024\u003c\/td\u003e\n\u003ctd\u003eGMC Sierra 1500 SLT\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003e2863H430\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019-2024\u003c\/td\u003e\n\u003ctd\u003eGMC Sierra 1500 AT4\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003e2863H430\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2019-2024\u003c\/td\u003e\n\u003ctd\u003eGMC Sierra 1500 Denali\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003e2863H430\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2024\u003c\/td\u003e\n\u003ctd\u003eGMC Yukon\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003e2863H430\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cdiv class=\"table-scroll\"\u003e\u003ctable class=\"technical-specifications\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e2863H430\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003e6.2L V8; see model\/trim years in the fitment table\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeaders\u003c\/td\u003e\n\u003ctd\u003e1-7\/8\" primaries; 3\" collectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupplied connection\u003c\/td\u003e\n\u003ctd\u003e3\" GREEN catted Y-pipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear outlet\u003c\/td\u003e\n\u003ctd\u003e3-1\/2\" OEM interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalyst suitability\u003c\/td\u003e\n\u003ctd\u003eNaturally aspirated or forced induction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eDoes the Y-pipe come with the headers?\u003c\/h3\u003e\u003cp\u003eYes. 2863H430 is the paired header-and-GREEN-Y-pipe kit.\u003c\/p\u003e\u003ch3\u003eIs it the same rear connection as the 5.3 kit?\u003c\/h3\u003e\u003cp\u003eNo. This 6.2 kit uses a 3-1\/2\" OEM outlet; the corresponding 5.3 kit uses 2-3\/4\".\u003c\/p\u003e\u003ch3\u003eDo you recommend tuning with these headers?\u003c\/h3\u003e\u003cp\u003eWe recommend tuning with every header installation. \u003ca href=\"https:\/\/hooniesadrenaline.co.uk\/pages\/contact\"\u003eTalk to us\u003c\/a\u003e about calibration for your vehicle, exhaust and other modifications.\u003c\/p\u003e\u003ch2\u003eOrdering and delivery\u003c\/h2\u003e\u003cp\u003eEstimated lead time is 4-6 weeks. Delivery may be faster depending on stock levels. Shipping is charged separately.\u003c\/p\u003e","vendor":"Kooks","product_type":"Header Kits","created_at":"2026-10-08T10:41:03+01:00","handle":"kooks-2019-gm-1500-series-header-connection-kits-a22e3e27","updated_at":"2026-10-11T03:46:38+01:00","published_at":"2026-10-09T13:43:26+01:00","template_suffix":null,"published_scope":"global","tags":"brand:kooks, cat:exhausts, dept:performance-parts, fits:cadillac-escalade, fits:chevrolet-silverado-1500, fits:chevrolet-suburban, fits:chevrolet-tahoe, fits:gmc-sierra-1500, fits:gmc-yukon, fits:gmc-yukon-xl, make:cadillac, make:chevrolet, make:gmc, type:header-kit","variants":[{"id":55646893474134,"product_id":11350206579030,"title":"6.2L \/ 1-7\/8\" \/ GREEN Cats","price":"4705.76","sku":"2863H430","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"6.2L","option2":"1-7\/8\"","option3":"GREEN Cats","created_at":"2026-10-08T10:41:03+01:00","updated_at":"2026-10-11T03:46:38+01:00","taxable":true,"barcode":"842422178642","grams":27669,"image_id":null,"weight":27.669,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"GBP","compare_at_price_currency":"","quantity_price_breaks":[]}],"options":[{"id":14512387981654,"product_id":11350206579030,"name":"Engine Size","position":1,"values":["6.2L"]},{"id":14512388014422,"product_id":11350206579030,"name":"Header Size","position":2,"values":["1-7\/8\""]},{"id":14512388047190,"product_id":11350206579030,"name":"Cat Type","position":3,"values":["GREEN Cats"]}],"images":[{"id":86449198268758,"product_id":11350206579030,"position":1,"created_at":"2026-10-08T10:41:03+01:00","updated_at":"2026-10-08T10:41:06+01:00","alt":"Kooks 2019+ GM 1500 Series Truck 6.2L. 1-7\/8\" Header and GREEN Connection Kit.","width":3416,"height":2683,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/5e8d8a527404da993c9b14fca0e8fd49_93c3d303-9f5a-49ba-8ca2-61b3384c584f.png?v=1791452466","variant_ids":[]},{"id":86449198301526,"product_id":11350206579030,"position":2,"created_at":"2026-10-08T10:41:03+01:00","updated_at":"2026-10-08T10:41:09+01:00","alt":"Kooks 2019+ GM 1500 Series Truck 6.2L. 1-7\/8\" Header and GREEN Connection Kit.","width":5008,"height":3336,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/61be6f965719a5cbac8fc14b122c49fa_440d2deb-b8a1-4693-ae64-c7f4cdc97644.jpg?v=1791452469","variant_ids":[]},{"id":86449198334294,"product_id":11350206579030,"position":3,"created_at":"2026-10-08T10:41:03+01:00","updated_at":"2026-10-08T10:41:05+01:00","alt":"Kooks 2019+ GM 1500 Series Truck 6.2L. 1-7\/8\" Header and GREEN Connection Kit.","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/f005cc8598a9e5197e6da787fed92229_fe80b838-f817-4a44-8f3c-d56e659248bd.jpg?v=1791452465","variant_ids":[]},{"id":86449198367062,"product_id":11350206579030,"position":4,"created_at":"2026-10-08T10:41:03+01:00","updated_at":"2026-10-08T10:41:06+01:00","alt":"Kooks 2019+ GM 1500 Series Truck 6.2L. 1-7\/8\" Header and GREEN Connection Kit.","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/f005cc8598a9e5197e6da787fed92229_ddc77fe3-08b8-42b5-ad46-17bc7960d3ff.jpg?v=1791452466","variant_ids":[]}],"image":{"id":86449198268758,"product_id":11350206579030,"position":1,"created_at":"2026-10-08T10:41:03+01:00","updated_at":"2026-10-08T10:41:06+01:00","alt":"Kooks 2019+ GM 1500 Series Truck 6.2L. 1-7\/8\" Header and GREEN Connection Kit.","width":3416,"height":2683,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/5e8d8a527404da993c9b14fca0e8fd49_93c3d303-9f5a-49ba-8ca2-61b3384c584f.png?v=1791452466","variant_ids":[]}}}