{"product":{"id":11350216343894,"title":"Kooks 3-inch Round Muffler, 14-inch Body | R300-14","body_html":"\u003ch2\u003eA polished finish for your custom exhaust\u003c\/h2\u003e\u003cp\u003eGive your exhaust a muffler that suits the space you have and the pipe you are using. This polished 304 stainless steel Kooks muffler has 3-inch inside-diameter inlet and outlet connections, a 14-inch body and a 20-inch overall length.\u003c\/p\u003e\u003cp\u003eSKU: R300-14\u003c\/p\u003e\u003ch2\u003eSized for your exhaust\u003c\/h2\u003e\u003cp\u003eAllow for the full 20-inch length when positioning the muffler, including the inlet and outlet beyond its 14-inch body. The 4-1\/2-inch outside diameter round body gives you the other key measurement when working around the floor, suspension and surrounding pipework.\u003c\/p\u003e\u003ch2\u003eFitting the muffler\u003c\/h2\u003e\u003cp\u003eChoose the installation method for your fabricated exhaust and leave clearance around the muffler as the system moves and gets hot.\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\u003eR300-14\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\u003eFinish\u003c\/td\u003e\n\u003ctd\u003ePolished\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInlet \/ outlet diameter\u003c\/td\u003e\n\u003ctd\u003e3-inch inside diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody length\u003c\/td\u003e\n\u003ctd\u003e14-inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall length\u003c\/td\u003e\n\u003ctd\u003e20-inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody dimensions\u003c\/td\u003e\n\u003ctd\u003e4-1\/2-inch outside diameter round body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupplied quantity\u003c\/td\u003e\n\u003ctd\u003eOne muffler\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\u003eWhat is included?\u003c\/h3\u003e\u003cp\u003eOne polished stainless steel muffler.\u003c\/p\u003e\u003ch3\u003eDoes the body length include the connections?\u003c\/h3\u003e\u003cp\u003eNo. The body is 14 inches long; the full end-to-end length is 20 inches. Allow space for the overall length when planning the exhaust.\u003c\/p\u003e\u003ch3\u003eHow do I choose the connection size?\u003c\/h3\u003e\u003cp\u003eThe inlet and outlet have a 3-inch inside diameter. Match these to the pipe connection in your exhaust.\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":"Mufflers","created_at":"2026-10-08T10:41:37+01:00","handle":"kooks-r300-14","updated_at":"2026-10-11T13:05:00+01:00","published_at":"2026-10-09T13:38:03+01:00","template_suffix":null,"published_scope":"global","tags":"brand:kooks, cat:exhausts, class:equipment-service-non-vehicle, dept:performance-parts, type:muffler","variants":[{"id":55646907007318,"product_id":11350216343894,"title":"Default Title","price":"98.71","sku":"R300-14","position":1,"compare_at_price":"","fulfillment_service":"manual","inventory_management":null,"option1":"Default Title","option2":null,"option3":null,"created_at":"2026-10-08T10:41:37+01:00","updated_at":"2026-10-11T13:05:00+01:00","taxable":true,"barcode":"842422131746","grams":3175,"image_id":null,"weight":3.175,"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":14512400105814,"product_id":11350216343894,"name":"Title","position":1,"values":["Default Title"]}],"images":[{"id":86449293558102,"product_id":11350216343894,"position":1,"created_at":"2026-10-08T10:41:37+01:00","updated_at":"2026-10-08T10:41:39+01:00","alt":"Kooks 3\" Round Muffler 14\" Long. 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