{"product_id":"tuolauthon-90-silicone-reducer-coupler-3-4-in-76-102mm-4-ply-reinforced-5mm-wall-2-clamps","title":"TuoLauthon 90° Silicone Reducer Coupler 3–4 in (76–102mm) 4‑ply Reinforced, 5mm Wall, 2 Clamps","description":"\u003cb\u003eTuoLauthon’s 90° 3\"–4\" (76–102mm) silicone reducer coupler is a reinforced elbow connector designed to join different-size turbo, intercooler, intake or exhaust pipes with reliable flexibility and heat resistance.\u003c\/b\u003e\n\n\u003cp\u003eThis 90-degree silicone reducer from TuoLauthon combines a stepped inner diameter (76mm to 102mm), 4-ply reinforcement and a 5mm wall thickness to handle the vibration and pressure common in forced-induction and custom piping setups. At 102mm (4 inches) leg length and supplied with two stainless-steel clamps, it’s built for easy installation on automotive, marine and light industrial systems where thermal and ozone resistance matter.\u003c\/p\u003e\n\n\u003ch3\u003eHow durable is this silicone reducer under high heat and pressure?\u003c\/h3\u003e\n\u003cp\u003eConstructed from high-quality 4-ply silicone with a 5mm wall thickness, the coupler is rated for a broad operating range and can withstand bursts up to the listed pressure. That combination gives a balance of flexibility and structural strength for charged-air plumbing and similar applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWorking temperature range: -76°F (-60°C) to +500°F (+260°C)\u003c\/li\u003e\n  \u003cli\u003eBursting pressure: 2 MPa for short-term stress tolerance\u003c\/li\u003e\n  \u003cli\u003e4-ply reinforcement to resist collapse under vacuum or boost\u003c\/li\u003e\n  \u003cli\u003e5mm wall thickness for impact and abrasion resistance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it fit my existing 3\" and 4\" piping, and how easy is installation?\u003c\/h3\u003e\n\u003cp\u003eThe reducer’s inner diameters step from 76mm (3\") to 102mm (4\") to match standard pipe sizes, and the 102mm leg length allows adequate overlap for clamps. Two included stainless-steel hose clamps simplify mounting and provide a secure seal without extra hardware.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInner diameters: 76mm (3\") and 102mm (4\") for common pipe compatibility\u003c\/li\u003e\n  \u003cli\u003eLeg length: 102mm (4\") for proper overlap and sealing\u003c\/li\u003e\n  \u003cli\u003eIncludes 2 stainless-steel clamps for immediate installation\u003c\/li\u003e\n  \u003cli\u003eFlexible 90° bend reduces need for custom fabrication\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this coupler suitable for marine or industrial use?\u003c\/h3\u003e\n\u003cp\u003eYes—this silicone reducer is formulated to resist UV and ozone exposure, making it appropriate for outdoor and marine environments as well as industrial settings. The materials and temperature ratings help it hold up where weathering and elevated temperatures are concerns.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUV and ozone resistant for outdoor and marine longevity\u003c\/li\u003e\n  \u003cli\u003eTemperature-resistant silicone suited for engine compartments\u003c\/li\u003e\n  \u003cli\u003eStainless-steel clamps resist corrosion in wet conditions\u003c\/li\u003e\n  \u003cli\u003eUniversal design fits many custom plumbing tasks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the physical specifications I should check before buying?\u003c\/h3\u003e\n\u003cp\u003eConfirm the two pipe diameters, the 90° orientation and the 102mm insertion length to ensure compatibility with your layout. Also verify that the temperature and pressure ratings match your application, particularly in boosted or high-heat systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInner diameter: 76mm (3\") to 102mm (4\")\u003c\/li\u003e\n  \u003cli\u003eLeg length: 102mm (4\") per side\u003c\/li\u003e\n  \u003cli\u003eWall thickness: 5mm, 4-ply reinforcement\u003c\/li\u003e\n  \u003cli\u003eSupplied with two stainless-steel hose clamps\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The TuoLauthon 90° silicone reducer coupler is intended for vehicle enthusiasts, mechanics and fabricators who need a robust, flexible elbow to join mismatched piping in turbo, intercooler, intake or exhaust systems. It’s a practical option for marine and light industrial applications where UV\/ozone resistance, heat tolerance and a ready-to-install clamp kit matter. If you require precise OEM fittings, custom flanges or permanent welded joins, consider professional fabrication; if you need a versatile, high-temperature silicone solution for charged-air or plumbing runs, this coupler is a fit.\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 diameters does this reducer fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It adapts from 76mm (3\") to 102mm (4\") with a 102mm insertion length per side.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are clamps included and are they corrosion resistant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—two stainless-steel hose clamps are included; they resist corrosion for marine and outdoor use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TuoLauthon","offers":[{"title":"Default Title","offer_id":48086920003742,"sku":"B0BZJHFXGK","price":34.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/tuolauthon-front-packaging-reducer-coupler.jpg?v=1785909537","url":"https:\/\/northtrailauto.ca\/products\/tuolauthon-90-silicone-reducer-coupler-3-4-in-76-102mm-4-ply-reinforced-5mm-wall-2-clamps","provider":"North Trail Auto","version":"1.0","type":"link"}