{"product":{"id":11350222078294,"title":"Kooks 1-3\/4 x 3-inch Slip-On Header Collector | 9903S","body_html":"\u003ch2\u003eBring your primary tubes into a matching outlet\u003c\/h2\u003e\u003cp\u003eKooks 9903S gives your custom header a four-into-one collector for 1-3\/4-inch primary tubes. The 304 stainless collector uses the patented scavenging spike and a 3-inch outside-diameter outlet.\u003c\/p\u003e\u003cp\u003eSKU: 9903S\u003c\/p\u003e\u003ch2\u003eSize the inlet to the primary tubes\u003c\/h2\u003e\u003cp\u003eThe collector has 1-3\/4-inch inside-diameter primary inlets that slip over matching outside-diameter tubes. Two A\/B-style tabs are included to secure the collector to the primaries.\u003c\/p\u003e\u003ch2\u003eOne collector supplied\u003c\/h2\u003e\u003cp\u003e9903S is sold individually. Match the quantity and 3-inch outlet to your header and connecting exhaust layout.\u003c\/p\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\u003e9903S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eCustom header fabrication; single collector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary inlet diameter\u003c\/td\u003e\n\u003ctd\u003e1-3\/4-inch inside diameter; slips over matching outside diameter primary tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector outlet diameter\u003c\/td\u003e\n\u003ctd\u003e3-inch outside diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCollector design\u003c\/td\u003e\n\u003ctd\u003eFour-into-one with patented scavenging spike\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eTwo A\/B-style tabs to secure collector to primaries\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\u003eDoes 1-3\/4 inch describe the inlet or outlet?\u003c\/h3\u003e\u003cp\u003eIt is the primary inlet inside diameter. The outlet is 3-inch outside diameter.\u003c\/p\u003e\u003ch3\u003eHow many collectors are supplied?\u003c\/h3\u003e\u003cp\u003eEach item supplies one collector with two A\/B-style tabs.\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 Fabrication Components","created_at":"2026-10-08T10:42:05+01:00","handle":"kooks-9903s","updated_at":"2026-10-11T10:14:45+01:00","published_at":"2026-10-09T13:34:19+01:00","template_suffix":null,"published_scope":"global","tags":"brand:kooks, cat:exhausts, class:equipment-service-non-vehicle, dept:performance-parts, type:exhaust-fabrication-component","variants":[{"id":55646919721302,"product_id":11350222078294,"title":"Default Title","price":"260.55","sku":"9903S","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"Default Title","option2":null,"option3":null,"created_at":"2026-10-08T10:42:05+01:00","updated_at":"2026-10-11T10:14:45+01:00","taxable":true,"barcode":"842422138639","grams":4536,"image_id":null,"weight":4.536,"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":14512406495574,"product_id":11350222078294,"name":"Title","position":1,"values":["Default Title"]}],"images":[{"id":86449349984598,"product_id":11350222078294,"position":1,"created_at":"2026-10-08T10:42:05+01:00","updated_at":"2026-10-08T10:42:08+01:00","alt":"Kooks 1-3\/4\" x 3\" 304 Stainless Steel Slip-On Collector","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/ee8771804a63e7ca0f78c9313f3a1ede_e9407e76-2791-4674-ad62-537fc880dcf1.jpg?v=1791452528","variant_ids":[]}],"image":{"id":86449349984598,"product_id":11350222078294,"position":1,"created_at":"2026-10-08T10:42:05+01:00","updated_at":"2026-10-08T10:42:08+01:00","alt":"Kooks 1-3\/4\" x 3\" 304 Stainless Steel Slip-On Collector","width":1500,"height":1500,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/ee8771804a63e7ca0f78c9313f3a1ede_e9407e76-2791-4674-ad62-537fc880dcf1.jpg?v=1791452528","variant_ids":[]}}}