{"product_id":"45-degree-aluminum-elbow-tube-2-75in-od-polished-2pcs","title":"45 Degree Aluminum Elbow Tube 2.75in OD - Polished 2PCS","description":"\u003cp\u003eOur review of the 45 Degree Aluminum Elbow Tube 2.75in OD finds it best suited to fabricators and hobbyists who need a precise, ready-to-weld elbow that preserves airflow. The single biggest reason to buy is the mandrel-bent construction combined with a high-polish finish, which delivers uniform internal flow and a clean exterior that needs minimal prep before welding or installation. In this review the focus is on fit, finish and real-world handling for custom ducting, intercooler plumbing and metalwork projects.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise 45 degree bend:\u003c\/strong\u003e The mandrel-bent shape keeps the internal diameter consistent so airflow remains uniform through the elbow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6061 aluminum alloy:\u003c\/strong\u003e The material offers a balance of strength and heat resistance suitable for custom plumbing and automotive applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh polishing treatment:\u003c\/strong\u003e The polished exterior reduces prep time and creates a corrosion-resistant surface that looks finished in assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePractical dimensions:\u003c\/strong\u003e With a 2.75in OD and 4in leg length, the elbow fits common 70mm systems while leaving room for clamps and splices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorkable wall thickness:\u003c\/strong\u003e The 0.071in wall is thick enough to withstand typical pressure and welding without being overly heavy for fabrication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-piece pack:\u003c\/strong\u003e Supplying 2PCS lets builders mock up symmetrical runs or keep a spare for test fits.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis elbow is ideal for engine bay plumbing, intercooler piping, and custom ventilation runs where a neat, consistent 45 degree change in direction is required. Fabricators who value a pre-polished surface and accurate bend geometry will appreciate how little trimming and finishing is needed before installation.\u003c\/p\u003e\u003cp\u003eIt is less suitable for applications that require thicker walls for extremely high-pressure hydraulic systems or for users who need metric-specified connector fittings rather than an OD-based tube. Those projects should consider specialized high-pressure or metric-specific tubing instead.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMandrel-bent design preserves internal diameter for steady airflow and reduced turbulence.\u003c\/li\u003e\n\u003cli\u003e6061 aluminum construction balances heat resistance with formability for welding and splicing.\u003c\/li\u003e\n\u003cli\u003eHigh-polish finish minimizes cleaning and improves the assembled appearance.\u003c\/li\u003e\n\u003cli\u003eUseful pack of two allows paired installations or a spare for testing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe 0.071in wall thickness, while sufficient for many tasks, is not intended for very high-pressure hydraulic service.\u003c\/li\u003e\n\u003cli\u003eSold by OD size; adapters or clamps may be needed for some metric fittings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003e45 Degree Elbow Tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutside Diameter (OD)\u003c\/td\u003e\n\u003ctd\u003e2.75in (70mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeg Length\u003c\/td\u003e\n\u003ctd\u003e4in (102mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness\u003c\/td\u003e\n\u003ctd\u003e0.071in (1.8mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e10.82in (274.8mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e6061 Aluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e2 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe 45 Degree Aluminum Elbow Tube 2.75in OD is a practical and well-executed component for custom piping and metalwork. Its mandrel-bent geometry, 6061 alloy and polished finish deliver reliable airflow performance and easy integration, making it good value for builders who need a ready-to-weld elbow pair for intercooler or ventilation systems.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this elbow ready to weld?\u003c\/strong\u003e\u003cbr\u003eYes, the 6061 alloy and polished finish are suitable for welding and splicing after any required surface cleaning.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it fit standard 70mm systems?\u003c\/strong\u003e\u003cbr\u003eYes, the outside diameter is 2.75in (70mm); allowances for clamp thickness should be considered when matching hoses or couplers.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many pieces are included?\u003c\/strong\u003e\u003cbr\u003eThe package contains 2 PCS of the 45 degree aluminum elbow tube.\u003c\/p\u003e","brand":"OSIDU","offers":[{"title":"Default Title","offer_id":48647133102299,"sku":"B0DCSBHHJS","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61N-BA2ATgL._AC_SL1500.jpg?v=1778738467","url":"https:\/\/gearmusthave.com\/products\/45-degree-aluminum-elbow-tube-2-75in-od-polished-2pcs","provider":"GearMustHave","version":"1.0","type":"link"}