{"product_id":"kleinn-air-horns-411-single-roof-mt-air-horn","title":"Kleinn Air Horns - 411 - Single Roof Mt. Air Horn","description":"Equip your truck with the Kleinn 411 direct-fit single chrome-plated roof-mount air horn system, featuring a single premium all-metal trumpet measuring 25 inches in length with an oversized bell end to deliver the ultimate big-rig sound. Engineered for universal semi-truck and commercial vehicle applications, this massive, heavy-duty roof-mounted configuration allows you to command the road with a deep, authentic, and deafening locomotive-style blast. Designed for clean external mounting on custom or commercial rigs, this high-performance horn kit requires an onboard pressurized air system and can be operated using a manual hand-pull air valve or an electronic solenoid valve. For a proper, leak-free setup right out of the box, the installation requires a Model 330 Roof Mount Air Horn Fittings Kit, providing the ideal balance of gleaming chrome style and serious acoustic presence that serious custom truck builds count on.\r\n\u003cul\u003e\t\u003cli\u003eManual Hand Pull Air Valve 310 or 311 \/ Solenoid Required\u003c\/li\u003e\r\n\t\u003cli\u003eChrome-Plated Stainless Steel Construction\u003c\/li\u003e\r\n\t\u003cli\u003eOne Trumpet 24\" w 1\" Base\u003c\/li\u003e\r\n\t\u003cli\u003eDimensions (in): 25 x 6 x 6\u003c\/li\u003e\r\n\t\u003cli\u003eOutput (dB) @ 150 psi 150.1\u003c\/li\u003e\r\n\t\u003cli\u003e1\/4\" Airline Input\u003c\/li\u003e\r\n\t\u003cli\u003e330 Fitting Pack required if not replacing an existing roof mount horn\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cb\u003eVehicle Specific\u003c\/b\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eUniversal\u003c\/li\u003e\r\n\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eAttributes:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eBrand Name: \u003c\/b\u003eKleinn Automotive Accessories\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eGTIN: \u003c\/b\u003e00819147010083\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eAttribute 1: \u003c\/b\u003eSingle 25\" Truck Horn (Manual Hand Pull Air Valve Not Included)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eAttribute 2: \u003c\/b\u003eStainless Steel Trumpet\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eAttribute 3: \u003c\/b\u003eMaximum output 149.5 dB\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eAttribute 4: \u003c\/b\u003e25 in. overall length\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eAttribute 5: \u003c\/b\u003e6 in. overall width\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eExtended Information:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eCountry of Origin: \u003c\/b\u003eCN\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eEmissions : \u003c\/b\u003e1\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003ePacking Information:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eQuantity of Each: \u003c\/b\u003e1\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003ePackage UOM: \u003c\/b\u003eEA\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eDimension: \u003c\/b\u003e28 x 9 x 9 inches\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eWeight: \u003c\/b\u003e5 POUNDS\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003ePDF:\u003c\/h3\u003e\r\n\u003cp\u003e\r\n\u003c\/p\u003e\u003cdiv\u003e\u003ca href=\"https:\/\/sdda.semadata.org\/Standard\/Kleinn%20Automotive%20Air%20Horns\/KLEINN%20PRESSURE%20SWITCH.pdf\" target=\"_blank\"\u003e\u003cimg 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style=\"display:inline\"\u003e \u003c\/a\u003e\u003c\/div\u003e\r\n\r\n\u003cdiv id=\"sema-product-fitment\" class=\"product__accordion accordion fitment\"\u003e\u003c\/div\u003e","brand":"Kleinn Automotive Accessories","offers":[{"title":"Default Title","offer_id":66764141756461,"sku":"FMLC-411","price":163.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0646\/2780\/2157\/files\/411.jpg?v=1779798145","url":"https:\/\/montgomeryparts.com\/products\/kleinn-air-horns-411-single-roof-mt-air-horn","provider":"Montgomery Parts","version":"1.0","type":"link"}