{"product_id":"direct-fit-train-horn-onboard-air-system-for-2007-2019-gm-2500hd-3500hd-trucks-kleinn","title":"Direct Fit Train Horn \u0026 Onboard Air System for 2007–2019 GM 2500HD\/3500HD Trucks – Kleinn","description":"\u003ch2\u003eHeavy-Duty Horn \u0026amp; Air Power Built for Your GM HD Truck\u003c\/h2\u003e\u003cp\u003eKleinn's direct-fit train horn and onboard air systems are engineered specifically for 2007–2019 GM 2500HD and 3500HD trucks. Every component is designed to mount cleanly in your truck's existing spaces — no cutting, no fabricating, no guesswork. Built for the demands of heavy-duty work and play.\u003c\/p\u003e\u003ch2\u003eAvailable Kit Options\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel 730 Train Horn \u0026amp; Onboard Air System ($1,479.95)\u003c\/strong\u003e — Kleinn's flagship horn kit with the powerful Model 730 train horn and a complete onboard air system. Maximum sound, maximum impact for your HD truck.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel 230 Train Horn \u0026amp; Onboard Air System ($1,139.95)\u003c\/strong\u003e — A full train horn and air system combo featuring the Model 230 horn. Great balance of performance and value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnboard Air System Without Horns ($1,099.95)\u003c\/strong\u003e — The complete direct-fit air system only, perfect for air tools, lockers, air bags, or other accessories.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhy Direct Fit?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e✅ Designed specifically for 2007–2019 GM 2500HD\/3500HD trucks — no universal fitment compromises\u003c\/li\u003e\n\u003cli\u003e✅ Mounts in existing truck spaces for a clean, factory-style install\u003c\/li\u003e\n\u003cli\u003e✅ No cutting or fabrication required\u003c\/li\u003e\n\u003cli\u003e✅ Kleinn quality — trusted by truck owners and professionals nationwide\u003c\/li\u003e\n\u003cli\u003e✅ OBA kits compatible with air tools, lockers, air bags, and more\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eVehicle Compatibility\u003c\/h2\u003e\u003cp\u003eFits 2007–2019 GM 2500HD and 3500HD full-size heavy-duty trucks (Chevrolet Silverado 2500HD\/3500HD and GMC Sierra 2500HD\/3500HD). Confirm your specific cab\/bed configuration with Kleinn's fitment guide before ordering.\u003c\/p\u003e","brand":"Kleinn Automotive Accessories","offers":[{"title":"Model 730 Train Horn and Onboard Air System","offer_id":46535371948086,"sku":"KL GMHD-734","price":1479.95,"currency_code":"USD","in_stock":true},{"title":"Model 230 Train Horn and Onboard Air System","offer_id":46535371980854,"sku":"KL GMHD-230","price":1139.95,"currency_code":"USD","in_stock":true},{"title":"Onboard Air System Without Horns","offer_id":46535372013622,"sku":"KL GMHD-OBA","price":1099.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/6393\/8614\/files\/direct-fit-train-horn-and-onboard-air-systems-for-2007-2019-gm-2500hd3500hd-kleinn-kl-gmhd-230-937770.png?v=1780955926","url":"https:\/\/www.gmserviceguy.shop\/products\/direct-fit-train-horn-onboard-air-system-for-2007-2019-gm-2500hd-3500hd-trucks-kleinn","provider":"Gm Service Guy","version":"1.0","type":"link"}