{"product":{"id":11350217752918,"title":"Kooks Cadillac CTS-V LT4 Header Kits (2016-2019)","body_html":"\u003ch2\u003eGive your supercharged CTS-V the exhaust upgrade you want\u003c\/h2\u003e\u003cp\u003eChoose a matched Kooks front system for your LT4-powered CTS-V. These kits offer 1-7\/8\" or 2\" long tube headers with Competition Only or GREEN connections, joining the 2-3\/4\" OEM rear interface after the specified factory exhaust cut.\u003c\/p\u003e\u003cp\u003eSKUs: 2312H410, 2312H430, 2312H610, 2312H630\u003c\/p\u003e\u003ch2\u003eChoose the package around your LT4 build\u003c\/h2\u003e\u003cp\u003eBoth primary sizes feed 3\" collectors. GREEN supplies the catted choices suitable for the supercharged engine; Competition Only is the uncatted arrangement for competition use. The actual four combinations are shown with their SKUs below.\u003c\/p\u003e\u003ch2\u003eRetain a compatible rear system\u003c\/h2\u003e\u003cp\u003eThe front connections are supplied with the headers and transition to 2-3\/4\" OEM outlets. Installation requires cutting the stock exhaust, so have that work planned alongside fitting and tuning rather than expecting a completely untouched rear installation.\u003c\/p\u003e\u003ch2\u003eChoose your configuration\u003c\/h2\u003e\u003cdiv class=\"table-scroll\"\u003e\u003ctable class=\"variant-comparison\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSKU\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eConfiguration\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSupplied arrangement\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eFitting \/ engine conditions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2312H410\u003c\/td\u003e\n\u003ctd\u003eHeader Size: 1-7\/8\"; Cat Type: Comp. Only\u003c\/td\u003e\n\u003ctd\u003e1-7\/8\" headers; Competition Only front connections\u003c\/td\u003e\n\u003ctd\u003eFactory exhaust cut required; Uncatted; competition use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2312H430\u003c\/td\u003e\n\u003ctd\u003eHeader Size: 1-7\/8\"; Cat Type: GREEN Cats\u003c\/td\u003e\n\u003ctd\u003e1-7\/8\" headers; GREEN Cats front connections\u003c\/td\u003e\n\u003ctd\u003eFactory exhaust cut required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2312H610\u003c\/td\u003e\n\u003ctd\u003eHeader Size: 2\"; Cat Type: Comp. Only\u003c\/td\u003e\n\u003ctd\u003e2\" headers; Competition Only front connections\u003c\/td\u003e\n\u003ctd\u003eFactory exhaust cut required; Uncatted; competition use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2312H630\u003c\/td\u003e\n\u003ctd\u003eHeader Size: 2\"; Cat Type: GREEN Cats\u003c\/td\u003e\n\u003ctd\u003e2\" headers; GREEN Cats front connections\u003c\/td\u003e\n\u003ctd\u003eFactory exhaust cut required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\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\u003ctr\u003e\n\u003ctd\u003e2016-2019\u003c\/td\u003e\n\u003ctd\u003eCadillac CTS V\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003e2312H410, 2312H430, 2312H610, 2312H630\u003c\/td\u003e\n\u003ctd\u003eFactory exhaust cut required\u003c\/td\u003e\n\u003c\/tr\u003e\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\u003eSKUs\u003c\/td\u003e\n\u003ctd\u003e2312H410, 2312H430, 2312H610, 2312H630\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e2016-2019 CTS-V 6.2L supercharged LT4\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\u003eHeader choices\u003c\/td\u003e\n\u003ctd\u003e1-7\/8\" or 2\" primaries; 3\" collectors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnections\u003c\/td\u003e\n\u003ctd\u003eCompetition Only or GREEN catted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear outlet\u003c\/td\u003e\n\u003ctd\u003e2-3\/4\" OEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eStock exhaust must be cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eHeaders and the selected front connection pipes\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\u003eDo all four kits require cutting the factory exhaust?\u003c\/h3\u003e\u003cp\u003eYes. That installation requirement applies to each package.\u003c\/p\u003e\u003ch3\u003eWhich choices have cats?\u003c\/h3\u003e\u003cp\u003e2312H430 and 2312H630 use GREEN cats with 1-7\/8\" and 2\" headers respectively.\u003c\/p\u003e\u003ch2\u003eIntended use\u003c\/h2\u003e\u003cp\u003e2312H410, 2312H610: Competition, off-road and track use only. Not for use on public roads.\u003c\/p\u003e\u003cp\u003eThe competition-use waiver applies to 2312H410, 2312H610.\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":"2026-10-08T10:41:43+01:00","handle":"kooks-2016-2019-cadillac-cts-v-header-conn-kits","updated_at":"2026-10-10T18:29:28+01:00","published_at":"2026-10-09T13:37:04+01:00","template_suffix":null,"published_scope":"global","tags":"brand:kooks, cat:exhausts, dept:performance-parts, fits:cadillac-cts, make:cadillac, type:header-kit","variants":[{"id":55646909595990,"product_id":11350217752918,"title":"1-7\/8\" \/ Comp. Only","price":"2059.61","sku":"2312H410","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"1-7\/8\"","option2":"Comp. Only","option3":null,"created_at":"2026-10-08T10:41:43+01:00","updated_at":"2026-10-10T18:29:28+01:00","taxable":true,"barcode":"842422160975","grams":18144,"image_id":null,"weight":18.144,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"GBP","compare_at_price_currency":"","quantity_price_breaks":[]},{"id":55646909628758,"product_id":11350217752918,"title":"1-7\/8\" \/ GREEN Cats","price":"2911.59","sku":"2312H430","position":2,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"1-7\/8\"","option2":"GREEN Cats","option3":null,"created_at":"2026-10-08T10:41:43+01:00","updated_at":"2026-10-10T18:29:28+01:00","taxable":true,"barcode":"842422163525","grams":20412,"image_id":null,"weight":20.412,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"GBP","compare_at_price_currency":"","quantity_price_breaks":[]},{"id":55646909661526,"product_id":11350217752918,"title":"2\" \/ Comp. Only","price":"2207.90","sku":"2312H610","position":3,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"2\"","option2":"Comp. Only","option3":null,"created_at":"2026-10-08T10:41:43+01:00","updated_at":"2026-10-10T18:29:28+01:00","taxable":true,"barcode":"842422160999","grams":18144,"image_id":null,"weight":18.144,"weight_unit":"kg","requires_shipping":true,"quantity_rule":{"min":1,"max":null,"increment":1},"price_currency":"GBP","compare_at_price_currency":"","quantity_price_breaks":[]},{"id":55646909694294,"product_id":11350217752918,"title":"2\" \/ GREEN Cats","price":"3059.88","sku":"2312H630","position":4,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"2\"","option2":"GREEN Cats","option3":null,"created_at":"2026-10-08T10:41:43+01:00","updated_at":"2026-10-10T18:29:28+01:00","taxable":true,"barcode":"842422161019","grams":20412,"image_id":null,"weight":20.412,"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":14512401645910,"product_id":11350217752918,"name":"Header Size","position":1,"values":["1-7\/8\"","2\""]},{"id":14512401678678,"product_id":11350217752918,"name":"Cat Type","position":2,"values":["Comp. Only","GREEN Cats"]}],"images":[{"id":86449302307158,"product_id":11350217752918,"position":1,"created_at":"2026-10-08T10:41:43+01:00","updated_at":"2026-10-08T10:41:46+01:00","alt":"Kooks 2016-2019 Cadillac CTS-V Header\/Connection Kits","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/688a7dc128b6792d8c023b59a928a9e5_504e268e-7d74-49e7-ae05-46952e3a14f3.jpg?v=1791452506","variant_ids":[]},{"id":86449302339926,"product_id":11350217752918,"position":2,"created_at":"2026-10-08T10:41:43+01:00","updated_at":"2026-10-08T10:41:46+01:00","alt":"Kooks 2016-2019 Cadillac CTS-V Header\/Connection Kits","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/e39303f2aa01d7a335f3c23fd9b71293_aa4607fc-9c63-4310-9f3f-d9692275f21c.jpg?v=1791452506","variant_ids":[]},{"id":86449302372694,"product_id":11350217752918,"position":3,"created_at":"2026-10-08T10:41:43+01:00","updated_at":"2026-10-08T10:41:46+01:00","alt":"Kooks 2016-2019 Cadillac CTS-V Header\/Connection Kits","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/47ddf8df5601ba8072e3d8168d33b480_5391395e-8da2-4ae1-9d2a-130d05a069a1.jpg?v=1791452506","variant_ids":[]},{"id":86449302405462,"product_id":11350217752918,"position":4,"created_at":"2026-10-08T10:41:43+01:00","updated_at":"2026-10-08T10:41:46+01:00","alt":"Kooks 2016-2019 Cadillac CTS-V Header\/Connection Kits","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/606486f33a35d0aed35e47e00139f268_03b6c678-c6f3-4d90-a8ef-816df68839f8.jpg?v=1791452506","variant_ids":[]}],"image":{"id":86449302307158,"product_id":11350217752918,"position":1,"created_at":"2026-10-08T10:41:43+01:00","updated_at":"2026-10-08T10:41:46+01:00","alt":"Kooks 2016-2019 Cadillac CTS-V Header\/Connection Kits","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/688a7dc128b6792d8c023b59a928a9e5_504e268e-7d74-49e7-ae05-46952e3a14f3.jpg?v=1791452506","variant_ids":[]}}}