{"product":{"id":11350217326934,"title":"Kooks Cadillac CTS-V LSA Header and X-Pipe Kits (2009-2015)","body_html":"\u003ch2\u003eGive your supercharged CTS-V more to work with\u003c\/h2\u003e\u003cp\u003eThe supercharged LSA makes your CTS-V special, and the front exhaust is a worthwhile part of a serious upgrade. These Kooks kits pair 1-7\/8\" long tube headers with an X-pipe that joins the factory rear exhaust. Choose GREEN cats or Competition Only pipes while keeping the rear system you already like.\u003c\/p\u003e\u003cp\u003eSKUs: 2311H410, 2311H430\u003c\/p\u003e\u003ch2\u003eHeaders and crossover supplied together\u003c\/h2\u003e\u003cp\u003eBoth choices use 1-7\/8\" primaries, 3\" collectors and a stainless steel X-pipe. The rear outlet reduces to the 2-1\/2\" OEM interface. Buying the pair as a kit gives you matching headers and front connections for the LSA conversion.\u003c\/p\u003e\u003ch2\u003eFitting to the retained rear exhaust\u003c\/h2\u003e\u003cp\u003eThe stock exhaust must be cut for installation, then the 2-1\/2\" outlets join the retained rear system. We recommend professional fitting so the cut, alignment and clearances are handled together.\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\u003e2311H410\u003c\/td\u003e\n\u003ctd\u003eCat Type: Competition Only\u003c\/td\u003e\n\u003ctd\u003eHeaders; 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\u003e2311H430\u003c\/td\u003e\n\u003ctd\u003eCat Type: GREEN Cats\u003c\/td\u003e\n\u003ctd\u003eHeaders; 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\u003e2009-2015\u003c\/td\u003e\n\u003ctd\u003eCadillac CTS V\u003c\/td\u003e\n\u003ctd\u003e6.2L V8\u003c\/td\u003e\n\u003ctd\u003e2311H410, 2311H430\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\u003e2311H410, 2311H430\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e2009-2015 CTS-V, supercharged 6.2L LSA\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\u003eX-pipe\u003c\/td\u003e\n\u003ctd\u003e3\" inlet to 2-1\/2\" OEM rear outlet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChoices\u003c\/td\u003e\n\u003ctd\u003e2311H410 Competition Only; 2311H430 GREEN catted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eFactory exhaust must be cut\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\u003eCan I keep the factory rear exhaust?\u003c\/h3\u003e\u003cp\u003eYes. The X-pipe connects to its 2-1\/2\" interface after the required factory exhaust cut.\u003c\/p\u003e\u003ch3\u003eAre these for the later LT4 CTS-V?\u003c\/h3\u003e\u003cp\u003eThese kits are for the 2009-2015 LSA car. The 2016-2019 LT4 CTS-V has a separate header-and-connection kit.\u003c\/p\u003e\u003ch2\u003eIntended use\u003c\/h2\u003e\u003cp\u003e2311H410: Competition, off-road and track use only. Not for use on public roads.\u003c\/p\u003e\u003cp\u003eThe competition-use waiver applies to 2311H410.\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":"2026-10-08T10:41:41+01:00","handle":"kooks-2009-2015-cadillac-cts-v-header-conn-kits","updated_at":"2026-10-10T18:29:34+01:00","published_at":"2026-10-09T13:37:22+01:00","template_suffix":null,"published_scope":"global","tags":"brand:kooks, cat:exhausts, dept:performance-parts, fits:cadillac-cts, fits:cadillac-cts-v, make:cadillac, type:header-kit","variants":[{"id":55646908809558,"product_id":11350217326934,"title":"Competition Only","price":"3942.21","sku":"2311H410","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"Competition Only","option2":null,"option3":null,"created_at":"2026-10-08T10:41:41+01:00","updated_at":"2026-10-10T18:29:34+01:00","taxable":true,"barcode":"842422160753","grams":36741,"image_id":null,"weight":36.741,"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":55646908842326,"product_id":11350217326934,"title":"GREEN Cats","price":"4794.19","sku":"2311H430","position":2,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"GREEN Cats","option2":null,"option3":null,"created_at":"2026-10-08T10:41:41+01:00","updated_at":"2026-10-10T18:29:34+01:00","taxable":true,"barcode":"842422178901","grams":41277,"image_id":null,"weight":41.277,"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":14512401187158,"product_id":11350217326934,"name":"Cat Type","position":1,"values":["Competition Only","GREEN Cats"]}],"images":[{"id":86449301061974,"product_id":11350217326934,"position":1,"created_at":"2026-10-08T10:41:41+01:00","updated_at":"2026-10-08T10:41:43+01:00","alt":"Kooks 2009-2015 Cadillac CTS-V Header\/Conn. 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