{"product_id":"flowtech-universal-gm-ls-v8-1-5-8-x-2-1-2-304ss-shorty-engine-swap-headers-natural","title":"FlowTech Universal GM LS V8 1-5\/8\" x 2-1\/2\" 304SS Shorty Engine Swap Headers, Natural","description":"\u003ch2 class=\"full_description\"\u003eFlowtech Exhaust products are the perfect combination of quality and value. We are proud to offer these Universal LS Swap Headers with 1-5\/8\" primaries and 2-1\/2\" collectors. These headers are made of 304 stainless steel and are available in both natural and polished finishes.\u003c\/h2\u003e\n\u003cul class=\"productpage_list\"\u003e\n\u003cli\u003e\n\u003ch2\u003eUniversal rear exit shorty headers for GM LS1, LS2, LS3, LS6, LSX engines\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e1-5\/8” mandrel bent primary tubes and 2-1\/2” collectors\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e3\/8” thick header flanges for a leak-free seal\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003ePremium gaskets and collector hardware included\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003e2-1\/2” reducers with oxygen sensor bungs included\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch2\u003eAvailable in natural 304 stainless steel and polished 304 stainless steel\u003c\/h2\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable class=\"attributes-table\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eApplication\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGM LS Engines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eBolt Size\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eM8 x 1.25 x 25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eBrand\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eFlowtech Exhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eCARB (California) Compliant\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eCategory\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eExhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eCollector Attachment\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eV-band\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eCollector Diameter\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2.50 IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eCollector Port Diameter\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e2.50 IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eColor\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eDesign\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eShorty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eEGT Port\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eEmission Code\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eEngine\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eGM Gen III\/IV (LS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eFinish\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eNatural\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eFlange Thickness\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e0.3750 IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e3\/8\" IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eGasket Or Seal Included\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eGrade Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003ePerformance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eHeader Finish\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eNatural\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eHeader Style\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eShorty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eMaterial\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eMounting Hardware Included\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eOxygen Sensor Port\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003ePart Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eExhaust Header\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003ePort Shape\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eOval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003ePrimary Tube Dia.\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1-5\/8 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003ePrimary Tubing Diameter\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1-5\/8 IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003e\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e1.625 IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eHeaders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eSheen Level\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eSemi-Gloss\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eSub Category\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eExhaust Manifolds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eTube Material\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eTube Wall Thickness\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e16 GU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eUPC\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e090127040201\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003eCalifornia Proposition 65 Required\u003c\/th\u003e\n\u003ctd class=\"data\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"label\"\u003ePart Number\u003c\/th\u003e\n\u003ctd class=\"data\"\u003e11575FLT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"FlowTech","offers":[{"title":"Default Title","offer_id":42142722457694,"sku":"11575FLT","price":226.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0030\/5315\/8515\/files\/Screenshot2025-10-29at12.49.32PM.png?v=1761767399","url":"https:\/\/10secondracing.com\/en-gb\/products\/flowtech-universal-gm-ls-v8-1-5-8-x-2-1-2-304ss-shorty-engine-swap-headers-natural","provider":"10 Second Racing","version":"1.0","type":"link"}