{"product":{"id":11350223192406,"title":"Kooks F-150 5.0 Performance Header Kit, 1-3\/4-inch (2021-2026) | 1371H220","body_html":"\u003ch2\u003eStart your Coyote exhaust upgrade with a complete front kit\u003c\/h2\u003e\u003cp\u003ePair 1-3\/4\" Kooks long tube headers with a matching Performance-catted Y-pipe for your 2021-2026 F-150 5.0. The stainless front system joins the OEM rear exhaust, giving you a combined purchase for a naturally aspirated Coyote build.\u003c\/p\u003e\u003cp\u003eSKU: 1371H220\u003c\/p\u003e\u003ch2\u003eThe 1-3\/4-inch Performance combination\u003c\/h2\u003e\u003cp\u003eThis kit uses 1-3\/4\" primaries with 3\" collectors and a supplied 3\" catted Y-pipe. It gives you this specific primary-and-catalyst combination alongside the separate GREEN and larger-primary packages.\u003c\/p\u003e\u003ch2\u003eKeep a compatible rear system\u003c\/h2\u003e\u003cp\u003eThe Y-pipe connects to the OEM rear interface. That allows a cat-back using the factory connection to remain, while you fit and calibrate the new front system around the rest of your engine setup.\u003c\/p\u003e\u003ch2\u003eFitting your exhaust\u003c\/h2\u003e\u003cp\u003eOn 2018-on F-150s, the driver-side motor-mount heat shield should be removed or modified to give the header primaries enough clearance.\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\u003e2021-2026\u003c\/td\u003e\n\u003ctd\u003eFord F-150 XL\u003c\/td\u003e\n\u003ctd\u003e5.0L V8\u003c\/td\u003e\n\u003ctd\u003e1371H220\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2026\u003c\/td\u003e\n\u003ctd\u003eFord F-150 XLT\u003c\/td\u003e\n\u003ctd\u003e5.0L V8\u003c\/td\u003e\n\u003ctd\u003e1371H220\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2021-2026\u003c\/td\u003e\n\u003ctd\u003eFord F-150 Lariat\u003c\/td\u003e\n\u003ctd\u003e5.0L V8\u003c\/td\u003e\n\u003ctd\u003e1371H220\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\u003e1371H220\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e2021-2026 F-150 5.0L Coyote V8; listed trims below\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\u003e1-3\/4\" primaries; 3\" collectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eY-pipe\u003c\/td\u003e\n\u003ctd\u003e3\" Performance-catted; OEM rear connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalyst condition\u003c\/td\u003e\n\u003ctd\u003eNaturally aspirated only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018-on fitting provision\u003c\/td\u003e\n\u003ctd\u003eDriver-side motor-mount heat-shield removal or modification recommended for primary-tube clearance\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\u003eAre the cats GREEN?\u003c\/h3\u003e\u003cp\u003e1371H220 uses Performance cats. GREEN-catted packages are separate choices.\u003c\/p\u003e\u003ch3\u003eIs the Y-pipe included?\u003c\/h3\u003e\u003cp\u003eYes. The Performance-catted Y-pipe is supplied with the headers.\u003c\/p\u003e\u003ch2\u003eIntended use\u003c\/h2\u003e\u003cp\u003eCompetition, off-road and track use only. Not for use on public roads.\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":"2026-10-08T10:42:20+01:00","handle":"kooks-2021-f150-5-0l-header-conn-kits-8a19a009","updated_at":"2026-10-10T19:11:00+01:00","published_at":"2026-10-09T13:33:42+01:00","template_suffix":null,"published_scope":"global","tags":"brand:kooks, cat:exhausts, dept:performance-parts, fits:ford-f-150, make:ford, type:header-kit","variants":[{"id":55646922637654,"product_id":11350223192406,"title":"1-3\/4\" \/ Performance Cats","price":"3422.49","sku":"1371H220","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"1-3\/4\"","option2":"Performance Cats","option3":null,"created_at":"2026-10-08T10:42:20+01:00","updated_at":"2026-10-10T19:11:00+01:00","taxable":true,"barcode":"842422180850","grams":30391,"image_id":null,"weight":30.391,"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":14512407707990,"product_id":11350223192406,"name":"Header Size","position":1,"values":["1-3\/4\""]},{"id":14512407740758,"product_id":11350223192406,"name":"Cat Type","position":2,"values":["Performance Cats"]}],"images":[{"id":86449372004694,"product_id":11350223192406,"position":1,"created_at":"2026-10-08T10:42:20+01:00","updated_at":"2026-10-08T10:42:27+01:00","alt":"Kooks 1-3\/4\" Header and Catted Connection Kit. 2021-2026 Ford F150 Coyote 5.0L 4V.","width":3375,"height":3375,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/e1a012d5add03a8111cc0611020855b5_0153297c-b2f3-4fae-b76e-6c833f58431f.png?v=1791452547","variant_ids":[]},{"id":86449372037462,"product_id":11350223192406,"position":2,"created_at":"2026-10-08T10:42:20+01:00","updated_at":"2026-10-08T10:42:28+01:00","alt":"Kooks 1-3\/4\" Header and Catted Connection Kit. 2021-2026 Ford F150 Coyote 5.0L 4V.","width":3375,"height":3375,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/e1a012d5add03a8111cc0611020855b5_338e5aca-d322-4aea-8473-67c4b2129d67.png?v=1791452548","variant_ids":[]},{"id":86449372070230,"product_id":11350223192406,"position":3,"created_at":"2026-10-08T10:42:20+01:00","updated_at":"2026-10-08T10:42:27+01:00","alt":"Kooks 1-3\/4\" Header and Catted Connection Kit. 2021-2026 Ford F150 Coyote 5.0L 4V.","width":3375,"height":3375,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/e1a012d5add03a8111cc0611020855b5_fd43c2ce-5544-4272-95d7-0b9ff7be8ff3.png?v=1791452547","variant_ids":[]},{"id":86449372102998,"product_id":11350223192406,"position":4,"created_at":"2026-10-08T10:42:20+01:00","updated_at":"2026-10-08T10:42:27+01:00","alt":"Kooks 1-3\/4\" Header and Catted Connection Kit. 2021-2026 Ford F150 Coyote 5.0L 4V.","width":3375,"height":3375,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/e1a012d5add03a8111cc0611020855b5_9d44207a-3e92-405a-9366-9154b0655717.png?v=1791452547","variant_ids":[]}],"image":{"id":86449372004694,"product_id":11350223192406,"position":1,"created_at":"2026-10-08T10:42:20+01:00","updated_at":"2026-10-08T10:42:27+01:00","alt":"Kooks 1-3\/4\" Header and Catted Connection Kit. 2021-2026 Ford F150 Coyote 5.0L 4V.","width":3375,"height":3375,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/e1a012d5add03a8111cc0611020855b5_0153297c-b2f3-4fae-b76e-6c833f58431f.png?v=1791452547","variant_ids":[]}}}