{"product_id":"a-karck-exhaust-90-degree-tube-2-25-od","title":"A-KARCK Exhaust 90 Degree Tube 2.25\" OD","description":"\u003cp\u003e\u003cstrong\u003eA-KARCK 90-degree mandrel-bent exhaust tube (2.25\" outer diameter) is a DIY-grade mild steel elbow designed to build or repair a smooth-flowing custom exhaust system.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis 2.25\" OD A-KARCK exhaust elbow is made for fabricators, home mechanics and custom-shop builders who need a reliable mandrel bend to keep exhaust flow unimpeded through tight corners. Constructed from mild steel with factory-flared ends, the tube slips into adjoining pipes for straightforward butt-welding and trimming. Whether you're replacing a rusted section, routing around suspension components, or creating a bespoke performance system, this elbow gives you a predictable bend radius and enough material to weld, cut and fit to your layout.\u003c\/p\u003e\n\n\u003ch3\u003eHow does a mandrel bend help exhaust performance?\u003c\/h3\u003e\n\u003cp\u003eA mandrel bend preserves internal diameter through the curve, reducing turbulence and flow loss compared with crushed or kinked bends. Smoother flow through bends helps maintain backpressure characteristics and keeps exhaust gases moving efficiently on turbo and naturally aspirated setups alike.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaintains the full 2.25\" internal profile through the 90° arc for steady flow\u003c\/li\u003e\n  \u003cli\u003eMinimizes restriction and hotspots that occur with tight-radius formed bends\u003c\/li\u003e\n  \u003cli\u003eConsistent bend radius simplifies matching to adjoining straight pipes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes this pipe easy to install in a custom system?\u003c\/h3\u003e\n\u003cp\u003eThe A-KARCK elbow arrives with flared (expand-on) ends that let you slide the tube over or into mating sections before tacking and welding. The tube wall thickness is ample for welding, and the overall length provides room to trim to exact fitment without sacrificing joint integrity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-flared ends for slip-fit connections and faster mock-up\u003c\/li\u003e\n  \u003cli\u003eSufficient wall thickness for clean butt or MIG\/TIG welds\u003c\/li\u003e\n  \u003cli\u003eExtra length allows cutting for precise routing and clearance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this mild steel pipe withstand exhaust conditions?\u003c\/h3\u003e\n\u003cp\u003eConstructed from quality mild steel, this elbow is intended for standard exhaust applications where strength and weldability matter most. While mild steel is robust and easy to work on, consider coating or painting for corrosion resistance if the vehicle will face road salts or prolonged moisture exposure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMild steel construction offers good weldability and durability\u003c\/li\u003e\n  \u003cli\u003eIdeal for fabrication, repair and prototype builds\u003c\/li\u003e\n  \u003cli\u003eCan be treated with heat-resistant coatings for extra rust protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use this part in a DIY project?\u003c\/h3\u003e\n\u003cp\u003eMeasure your system layout, mark cut points on adjoining pipes, slip-fit the flared ends and tack-weld to check alignment. Final welds and any necessary grinding or flange fabrication complete the installation—this elbow is built to be trimmed and joined to standard 2.25\" tubing.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMock-up with slip-fit before final welding to confirm clearance\u003c\/li\u003e\n  \u003cli\u003eCut and grind as needed—tube material supports common welding methods\u003c\/li\u003e\n  \u003cli\u003eFinish with clamps, hangers or coatings based on vehicle use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This A-KARCK 90° 2.25\" OD mandrel bend is aimed at DIY enthusiasts, professional exhaust fabricators and restoration shops who need a dependable bend with easy fit-up and solid weldability. If you build custom systems, repair corroded sections, or prototype performance exhaust layouts, this elbow offers a practical balance of formability, consistency and convenience. For customers who require stainless or pre-coated options, consider corrosion-resistant alternatives; for most standard fabrications, this mild steel tube is a cost-effective, work-ready choice.\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: Is this pipe compatible with standard 2.25\" exhaust tubing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the elbow is 2.25\" outer diameter with flared ends to slip-fit standard 2.25\" tubing for welding.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I weld this mild steel bend with my MIG or TIG setup?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the tube wall is suited for common welding methods like MIG and TIG; prepare and clean surfaces before welding.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-KARCK","offers":[{"title":"Default Title","offer_id":48087393992862,"sku":"B0CXHSWHZM","price":39.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/a-karck-exhaust-elbow-front-view.jpg?v=1785923075","url":"https:\/\/northtrailauto.ca\/products\/a-karck-exhaust-90-degree-tube-2-25-od","provider":"North Trail Auto","version":"1.0","type":"link"}