{"product":{"id":11350218867030,"title":"Kooks Pontiac GTO LS1 Connection Pipes (2004)","body_html":"\u003ch2\u003eUpgrade your GTO headers and keep the rear exhaust\u003c\/h2\u003e\u003cp\u003eYour 2004 GTO can have Kooks long tube headers while retaining the factory-size rear system. These connection pipes bridge the two, using a 3-inch header inlet and a 2-1\/2-inch OEM outlet for the LS1 5.7-litre application.\u003c\/p\u003e\u003cp\u003eSKUs: 24113100, 24113200\u003c\/p\u003e\u003ch2\u003eChoose the catalyst version for your engine\u003c\/h2\u003e\u003cp\u003e24113100 is the uncatted Competition option.\u003c\/p\u003e\u003cp\u003e24113200 has Performance cats for a naturally aspirated engine and is not recommended for forced induction.\u003c\/p\u003e\u003ch2\u003eThe outlet is specific to the 2004 car\u003c\/h2\u003e\u003cp\u003eThe 2-1\/2-inch rear interface is the important detail when retaining your OEM-size exhaust. The later LS2 GTO connections use a different outlet, so match the pipe to your model year as well as the headers.\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\u003e24113100\u003c\/td\u003e\n\u003ctd\u003eCat Type: Comp. Only\u003c\/td\u003e\n\u003ctd\u003e3-inch inlet x 2-1\/2-inch OEM outlet; uncatted Competition\u003c\/td\u003e\n\u003ctd\u003e2004 LS1 5.7L; Kooks headers; 2-1\/2-inch OEM rear connection; Uncatted Competition version\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24113200\u003c\/td\u003e\n\u003ctd\u003eCat Type: Performance Cats\u003c\/td\u003e\n\u003ctd\u003e3-inch inlet x 2-1\/2-inch OEM outlet; Performance cats; naturally aspirated only\u003c\/td\u003e\n\u003ctd\u003e2004 LS1 5.7L; Kooks headers; 2-1\/2-inch OEM rear connection; Performance cats: naturally aspirated only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eMatching products\u003c\/h2\u003e\u003cp\u003eThese pipes require the \u003ca href=\"https:\/\/hooniesadrenaline.co.uk\/products\/kooks-24102400?variant=55646911365462\"\u003eGTO long tube headers\u003c\/a\u003e; for this connection choice, select the 2004 GTO LS1 5.7 application.\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\u003e2004\u003c\/td\u003e\n\u003ctd\u003ePontiac GTO Base\u003c\/td\u003e\n\u003ctd\u003e5.7L V8\u003c\/td\u003e\n\u003ctd\u003e24113100\u003c\/td\u003e\n\u003ctd\u003e2004 LS1 5.7L; Kooks headers; 2-1\/2-inch OEM rear connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004\u003c\/td\u003e\n\u003ctd\u003ePontiac GTO Base\u003c\/td\u003e\n\u003ctd\u003e5.7L V8\u003c\/td\u003e\n\u003ctd\u003e24113200\u003c\/td\u003e\n\u003ctd\u003e2004 LS1 5.7L; Kooks headers; 2-1\/2-inch OEM rear connection; Performance cats: naturally aspirated only\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\u003eSKUs\u003c\/td\u003e\n\u003ctd\u003e24113100, 24113200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e2004 Pontiac GTO LS1 5.7L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePipe diameters\u003c\/td\u003e\n\u003ctd\u003e3-inch inlet x 2-1\/2-inch OEM outlet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24113100 catalyst choice\u003c\/td\u003e\n\u003ctd\u003eUncatted Competition version\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24113200 catalyst choice\u003c\/td\u003e\n\u003ctd\u003ePerformance-catted; naturally aspirated only; not recommended for forced induction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired headers\u003c\/td\u003e\n\u003ctd\u003eKooks long tube headers\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\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhich option is catted?\u003c\/h3\u003e\u003cp\u003e24113200 is the Performance-catted version for naturally aspirated use. It is not recommended for forced induction.\u003c\/p\u003e\u003ch3\u003eCan I use these on a 2005 or 2006 GTO?\u003c\/h3\u003e\u003cp\u003eChoose the separate 2005-2006 LS2 connections for that application. These 2004 LS1 pipes have a 2-1\/2-inch OEM rear outlet.\u003c\/p\u003e\u003ch2\u003eIntended use\u003c\/h2\u003e\u003cp\u003e24113100, 24113200: Competition, off-road and track use only. Not for use on public roads.\u003c\/p\u003e\u003cp\u003eThe competition-use waiver applies to 24113100.\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":"Exhaust Pipes","created_at":"2026-10-08T10:41:47+01:00","handle":"kooks-2004-pontiac-gto-connection-pipes","updated_at":"2026-10-11T12:01:43+01:00","published_at":"2026-10-09T13:36:23+01:00","template_suffix":null,"published_scope":"global","tags":"brand:kooks, cat:exhausts, dept:performance-parts, fits:pontiac-gto, make:pontiac, type:exhaust-pipe","variants":[{"id":55646911791446,"product_id":11350218867030,"title":"Comp. Only","price":"1152.61","sku":"24113100","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"Comp. Only","option2":null,"option3":null,"created_at":"2026-10-08T10:41:47+01:00","updated_at":"2026-10-11T12:01:43+01:00","taxable":true,"barcode":"842422141134","grams":7711,"image_id":null,"weight":7.711,"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":55646911824214,"product_id":11350218867030,"title":"Performance Cats","price":"1436.61","sku":"24113200","position":2,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"Performance Cats","option2":null,"option3":null,"created_at":"2026-10-08T10:41:47+01:00","updated_at":"2026-10-11T12:01:43+01:00","taxable":true,"barcode":"842422149772","grams":9979,"image_id":null,"weight":9.979,"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":14512402989398,"product_id":11350218867030,"name":"Cat Type","position":1,"values":["Comp. Only","Performance Cats"]}],"images":[{"id":86449310433622,"product_id":11350218867030,"position":1,"created_at":"2026-10-08T10:41:47+01:00","updated_at":"2026-10-08T10:41:50+01:00","alt":"Kooks 2004 Pontiac GTO Connection Pipes","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/ed26c4a0f37120bd8ac6a606842ad9cd_51563295-44c0-41c9-b607-2862db72ac2e.jpg?v=1791452510","variant_ids":[]},{"id":86449310466390,"product_id":11350218867030,"position":2,"created_at":"2026-10-08T10:41:47+01:00","updated_at":"2026-10-08T10:41:50+01:00","alt":"Kooks 2004 Pontiac GTO Connection Pipes","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/fd3290e99c35b6374ccc629e8da56ed2_37cd92e4-fdff-4678-86af-876726925888.jpg?v=1791452510","variant_ids":[]}],"image":{"id":86449310433622,"product_id":11350218867030,"position":1,"created_at":"2026-10-08T10:41:47+01:00","updated_at":"2026-10-08T10:41:50+01:00","alt":"Kooks 2004 Pontiac GTO Connection Pipes","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/ed26c4a0f37120bd8ac6a606842ad9cd_51563295-44c0-41c9-b607-2862db72ac2e.jpg?v=1791452510","variant_ids":[]}}}