{"product_id":"kdp-3-5in-id-silicone-hump-hose-coupler-with-2-clamps-4in-length-4-ply-reinforced-150-psi-350-f","title":"KDP 3.5in ID Silicone Hump Hose Coupler with 2 Clamps — 4in Length, 4-Ply Reinforced, 150 PSI, 350°F","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe KDP 3.5in ID Silicone Hump Hose Coupler is built for demanding piping layouts where a reliable connection matters. It features a 3.5 inch inner diameter, a 4 inch overall length, and a 5 millimeter wall with four-ply reinforced silicone blend. This design balances stiffness with essential flexibility, supporting heavy-duty applications while minimizing unwanted movement under pressure.\u003c\/p\u003e\u003cp\u003eRated for up to 150 PSI and temperatures up to 350 degrees Fahrenheit, this coupler is suited to high-temperature, high-flow environments commonly encountered in performance cooling and intake routing. The package includes two heavy-duty clamps, so you have a ready-to-install solution without the need to source additional hardware.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInner diameter: 3.5 inches; clamps included\u003c\/li\u003e\n\u003cli\u003eCoupler length: 4 inches to provide proper tube engagement and a robust clamping area\u003c\/li\u003e\n\u003cli\u003eWall thickness: 5 mm with four-ply heat-resistant embedded fibers for reinforced durability\u003c\/li\u003e\n\u003cli\u003eMax pressure and temperature: 150 PSI at up to 350°F (177°C)\u003c\/li\u003e\n\u003cli\u003eUniversal fit: ideal for straight intake hoses, radiator hoses, intercooler pipes, and similar straight connections\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy choose this coupler\u003c\/h3\u003e\u003cp\u003eIn challenging engine bays, silicone maintains flexibility while the reinforced fibers resist sag and wear. The 4-inch engagement creates a solid contact area with standard hoses, helping to maintain a secure seal across varied operating conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDurable, high-temp performance suitable for demanding setups\u003c\/li\u003e\n\u003cli\u003eIncludes heavy-duty clamps for quick, tool-free installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eReal-world uses\u003c\/h3\u003e\u003cp\u003eUse this coupler when routing straight hoses in turbocharged or high-performance builds, during cooling system reconfigurations, or when upgrading intercooler piping in tight spaces. It offers a practical balance of strength, flexibility, and ease of use without promising specific results.\u003c\/p\u003e\u003ch3\u003eInstallation tips\u003c\/h3\u003e\u003cp\u003eVerify the hose ID before installation. Clean mating surfaces, slide on the coupler, and tighten the included clamps evenly to achieve a uniform clamp load. Allow for slight expansion and movement under pressure.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What applications is the KDP 3.5in silicone hump hose coupler best suited for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Best for straight intake, radiator, and intercooler pipes with a 3.5in ID.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are clamps included with this coupler?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, two heavy-duty clamps are included for quick, secure installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KDP","offers":[{"title":"Default Title","offer_id":42465760444501,"sku":"B0CYZV9CPY","price":27.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/kdp-3-5in-id-silicone-hump-hose-coupler-closeup.jpg?v=1778021768","url":"https:\/\/plentytorque.co.uk\/products\/kdp-3-5in-id-silicone-hump-hose-coupler-with-2-clamps-4in-length-4-ply-reinforced-150-psi-350-f","provider":"PlentyTorque","version":"1.0","type":"link"}