{"product":{"id":11350221455702,"title":"Kooks Trailblazer SS LS2 Header and Y-Pipe Kit (2006-2009) | 2720H420","body_html":"\u003ch2\u003eMake more of the LS2 in your Trailblazer SS\u003c\/h2\u003e\u003cp\u003eUpgrade your Trailblazer SS with Kooks 1-7\/8\" long tube headers and a matching Performance-catted Y-pipe. This stainless front system brings the principal exhaust conversion components together for the 6.0-litre LS2, joining the OEM rear exhaust.\u003c\/p\u003e\u003cp\u003eSKU: 2720H420\u003c\/p\u003e\u003ch2\u003eHeaders and Y-pipe supplied together\u003c\/h2\u003e\u003cp\u003eThe headers use 3\" collectors, feeding the 3\" front pipework of the supplied Y-pipe before its OEM outlet. The matched package lets a compatible rear exhaust stay in the installation.\u003c\/p\u003e\u003ch2\u003eFor the naturally aspirated SS\u003c\/h2\u003e\u003cp\u003eThis is the 2006-2009 Trailblazer SS 6.0-litre application. Performance cats suit a naturally aspirated LS2; a boosted engine needs a catalyst arrangement suitable for forced induction.\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\u003ctr\u003e\n\u003ctd\u003e2006-2009\u003c\/td\u003e\n\u003ctd\u003eChevrolet Trailblazer SS\u003c\/td\u003e\n\u003ctd\u003e6.0L V8\u003c\/td\u003e\n\u003ctd\u003e2720H420\u003c\/td\u003e\n\u003ctd\u003e\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\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e2720H420\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e2006-2009 Trailblazer SS, LS2 6.0L V8\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\u003eY-pipe\u003c\/td\u003e\n\u003ctd\u003e3\" Performance-catted stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear outlet\u003c\/td\u003e\n\u003ctd\u003eOEM interface\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\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eIs this for the six-cylinder Trailblazer?\u003c\/h3\u003e\u003cp\u003eThis package is for the SS with its LS2 6.0-litre V8.\u003c\/p\u003e\u003ch3\u003eAre the front cats supplied?\u003c\/h3\u003e\u003cp\u003eYes. They are part of the supplied Performance-catted Y-pipe.\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\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":"2026-10-08T10:42:01+01:00","handle":"kooks-2720h420","updated_at":"2026-10-11T14:06:08+01:00","published_at":"2026-10-09T13:34:42+01:00","template_suffix":null,"published_scope":"global","tags":"brand:kooks, cat:exhausts, dept:performance-parts, fits:chevrolet-trailblazer-ss, make:chevrolet, type:header-kit","variants":[{"id":55646918869334,"product_id":11350221455702,"title":"Default Title","price":"3287.00","sku":"2720H420","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"Default Title","option2":null,"option3":null,"created_at":"2026-10-08T10:42:01+01:00","updated_at":"2026-10-11T14:06:08+01:00","taxable":true,"barcode":"842422177737","grams":25401,"image_id":null,"weight":25.401,"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":14512405840214,"product_id":11350221455702,"name":"Title","position":1,"values":["Default Title"]}],"images":[{"id":86449340121430,"product_id":11350221455702,"position":1,"created_at":"2026-10-08T10:42:01+01:00","updated_at":"2026-10-08T10:42:04+01:00","alt":"Kooks 1-7\/8\" Header and Catted Connection Kit. 2006-2009 Chevrolet Trailblazer SS 6.0L","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/e6f6b865397799d33e4ba9580f2559ad_de89621f-30be-44b3-b24a-5432778d57d2.jpg?v=1791452524","variant_ids":[]},{"id":86449340154198,"product_id":11350221455702,"position":2,"created_at":"2026-10-08T10:42:01+01:00","updated_at":"2026-10-08T10:42:04+01:00","alt":"Kooks 1-7\/8\" Header and Catted Connection Kit. 2006-2009 Chevrolet Trailblazer SS 6.0L","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/9b98a3716da83b7bae47985540e9486f_f80b7782-7530-4522-88b2-2a8412362143.jpg?v=1791452524","variant_ids":[]}],"image":{"id":86449340121430,"product_id":11350221455702,"position":1,"created_at":"2026-10-08T10:42:01+01:00","updated_at":"2026-10-08T10:42:04+01:00","alt":"Kooks 1-7\/8\" Header and Catted Connection Kit. 2006-2009 Chevrolet Trailblazer SS 6.0L","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/e6f6b865397799d33e4ba9580f2559ad_de89621f-30be-44b3-b24a-5432778d57d2.jpg?v=1791452524","variant_ids":[]}}}