{"product":{"id":11350210085206,"title":"Kooks Mustang Boss 302 H-Pipe Connections (2012-2013)","body_html":"\u003ch2\u003eKeep the side pipes that make your Boss 302 special\u003c\/h2\u003e\u003cp\u003eThe Boss 302 side exhaust is part of the car's character. These Kooks H-pipes include the connections for the OEM side pipes, letting you complete a long tube header upgrade while retaining that distinctive exhaust arrangement. Choose uncatted Competition Only or Performance-catted pipework.\u003c\/p\u003e\u003cp\u003eSKUs: 11413410, 11413510\u003c\/p\u003e\u003ch2\u003eMade for the Boss side exhaust\u003c\/h2\u003e\u003cp\u003eBoth H-pipes use 3\" front tubing and 2-3\/4\" OEM rear outlets. Ball-and-socket front joints fit Kooks long tube headers, and the side-pipe connections are included.\u003c\/p\u003e\u003ch2\u003eClamps and catalyst choice\u003c\/h2\u003e\u003cp\u003eFront fitting clamps are supplied; the rear connection reuses the OEM clamps, which are not included. Performance SKU 11413510 has 300-cell cats for naturally aspirated engines. Competition Only 11413410 is uncatted.\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\u003e11413410\u003c\/td\u003e\n\u003ctd\u003eCat Type: Comp. Only; Crossover Type: H Pipe; Side Pipe Connections: Yes\u003c\/td\u003e\n\u003ctd\u003eUncatted H-pipe with side-pipe connections; front clamps included, OEM rear clamps reused.\u003c\/td\u003e\n\u003ctd\u003eBoss 302 side-exhaust arrangement; OEM rear clamps reused; Uncatted; competition use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11413510\u003c\/td\u003e\n\u003ctd\u003eCat Type: Performance Cats; Crossover Type: H Pipe; Side Pipe Connections: Yes\u003c\/td\u003e\n\u003ctd\u003e300-cell Performance-catted H-pipe with side-pipe connections; naturally aspirated only; front clamps included, OEM rear clamps reused.\u003c\/td\u003e\n\u003ctd\u003eBoss 302 side-exhaust arrangement; OEM rear clamps reused; 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\u003eFor your 2012-2013 Boss 302 5.0, the \u003ca href=\"https:\/\/hooniesadrenaline.co.uk\/products\/kooks-2011-2014-ford-mustang-gt-5-0l-headers?variant=55646896718166\"\u003eMustang 5.0 long tube headers\u003c\/a\u003e offer the required 3-inch collector joint. Pair this side-pipe H-pipe within that Boss 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\u003e2012-2013\u003c\/td\u003e\n\u003ctd\u003eFord Mustang Boss 302\u003c\/td\u003e\n\u003ctd\u003e5.0L V8\u003c\/td\u003e\n\u003ctd\u003e11413410\u003c\/td\u003e\n\u003ctd\u003eBoss 302 side-exhaust arrangement; OEM rear clamps reused\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2012-2013\u003c\/td\u003e\n\u003ctd\u003eFord Mustang Boss 302\u003c\/td\u003e\n\u003ctd\u003e5.0L V8\u003c\/td\u003e\n\u003ctd\u003e11413510\u003c\/td\u003e\n\u003ctd\u003eBoss 302 side-exhaust arrangement; OEM rear clamps reused; 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\u003e11413410, 11413510\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e2012-2013 Mustang Boss 302, 5.0L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e16-gauge 304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront \/ rear diameter\u003c\/td\u003e\n\u003ctd\u003e3\" \/ 2-3\/4\" OEM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLayout\u003c\/td\u003e\n\u003ctd\u003eH-pipe with OEM side-pipe connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClamps\u003c\/td\u003e\n\u003ctd\u003eFront clamps included; rear OEM clamps reused, not supplied\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11413510 catalyst\u003c\/td\u003e\n\u003ctd\u003e300-cell Performance; naturally 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\u003eWill I retain the side exhaust?\u003c\/h3\u003e\u003cp\u003eYes. Both options include connections for the factory Boss 302 side pipes.\u003c\/p\u003e\u003ch3\u003eIs this for every 2011-2014 Mustang GT?\u003c\/h3\u003e\u003cp\u003eThese particular SKUs are the 2012-2013 Boss 302 H-pipes with side-exhaust connections.\u003c\/p\u003e\u003ch2\u003eIntended use\u003c\/h2\u003e\u003cp\u003e11413410, 11413510: Competition, off-road and track use only. Not for use on public roads.\u003c\/p\u003e\u003cp\u003eThe competition-use waiver applies to 11413410.\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":"2026-10-08T10:41:14+01:00","handle":"kooks-2011-2014-ford-mustang-gt-5-0l-connection-pipes-41bf6f82","updated_at":"2026-10-11T13:07:44+01:00","published_at":"2026-10-09T13:41:41+01:00","template_suffix":null,"published_scope":"global","tags":"brand:kooks, cat:exhausts, dept:performance-parts, fits:ford-mustang, make:ford, type:exhaust-pipe","variants":[{"id":55646897602902,"product_id":11350210085206,"title":"Comp. Only \/ H Pipe \/ Yes","price":"1957.41","sku":"11413410","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"Comp. 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