{"product_id":"3-in-mild-steel-exhaust-tubing-kit-8pcs-diy-custom-mandrel-bends","title":"3 in Mild Steel Exhaust Tubing Kit 8Pcs - DIY Custom Mandrel Bends","description":"\u003cp\u003eIn this review the DNA MOTORING 8Pcs 3 in mild steel tubing kit is judged as a practical DIY choice for custom exhaust work. The kit's single biggest reason to buy is its flexibility: with straight sections, 45 and 90 degree bends, and 180 degree U-bends, it covers the common angles needed for motorcycle, ATV, and small automotive exhaust fabrication. The review focuses on how the computerized mandrel bends and slip fit ends make assembly straightforward while still offering material that is easy to weld for custom or repair projects.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal kit:\u003c\/strong\u003e Includes two straight pipes, two 90 degree, two 45 degree and two 180 degree U-bend pieces so builders get a wide range of routing options without buying separate components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.0 in diameter:\u003c\/strong\u003e Each tube has a 3.0 in outside diameter which matches common small exhaust assemblies and simplifies matching to existing systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18-gauge walls:\u003c\/strong\u003e The 18-gauge piping provides a balance of formability and strength for typical DIY fabrication and light duty exhaust use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMild steel construction:\u003c\/strong\u003e Computerized mandrel bends in mild steel give consistent curvature and fit-up, aiding alignment and welding during installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlip fit ends:\u003c\/strong\u003e Slip fit connections make it easy to trial-fit pieces and tack weld or clamp before final welding for accurate layout and easier fabrication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is best for the home fabricator who needs a cost-effective, flexible set of pipes for motorcycle, ATV, small truck swaps or custom muffler work. It suits anyone who plans to tack and weld parts together rather than relying on preassembled sections, and it is useful for trial fitting and mockups where multiple bend angles are required.\u003c\/p\u003e\n\u003cp\u003eThose who need long-term corrosion resistance for coastal or salted-road climates, or who require heavier gauge or stainless steel for high-heat applications, should look elsewhere; this mild steel, 18-gauge material is ideal for fabrication and welding but will require rust protection if exposed long term.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGood buildability: customers report the tubing is easy to weld, especially with flux core, and fits tightly for reliable tack welds.\u003c\/li\u003e\n\u003cli\u003eVersatile set: the mix of straight, 45, 90 and 180 degree bends covers most routing needs for small exhaust projects.\u003c\/li\u003e\n\u003cli\u003eConsistent bends: computerized mandrel bending yields uniform curves and predictable fit-up during assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRust potential: a number of users note some rusting over time, so additional coating or paint is advisable for long-term durability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit Contents\u003c\/td\u003e\n\u003ctd\u003e2 straight, 2 90deg, 2 45deg, 2 180deg U-bends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePipe Diameter\u003c\/td\u003e\n\u003ctd\u003e3.0 in OD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eMild steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Thickness\u003c\/td\u003e\n\u003ctd\u003e18-gauge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFit Type\u003c\/td\u003e\n\u003ctd\u003eSlip fit ends for easy assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuitable For\u003c\/td\u003e\n\u003ctd\u003eMotorcycle, automotive, ATV DIY exhaust work\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 8-piece 3 in mild steel tubing kit is a practical, value-oriented choice for do-it-yourself exhaust fabrication and swaps. Its variety of bends and slip fit ends make layout and welding straightforward, and the computerized mandrel bends improve fit and function. Buyers should plan to protect the mild steel against corrosion, but for most hobbyists and repair jobs this kit offers good performance and flexibility at an economical price.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan these pieces be welded together directly?\u003c\/strong\u003e\u003cbr\u003eYes, the mild steel with 18-gauge walls is easily tack and weldable; many users report good results with flux core welding.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this kit fit larger exhaust systems?\u003c\/strong\u003e\u003cbr\u003eThe tubing has a 3.0 in outside diameter so it is ideal for small to mid-size exhaust work; it may not be compatible with larger industrial systems without adapters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the kit rust resistant out of the box?\u003c\/strong\u003e\u003cbr\u003eNot fully; some customers report minimal rusting, so painting or coating is recommended for long-term outdoor exposure.\u003c\/p\u003e","brand":"DNA MOTORING","offers":[{"title":"Default Title","offer_id":48187553054939,"sku":"B0CRDBH232","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/511OXODgr5L._AC_SL1500.jpg?v=1769450697","url":"https:\/\/gearmusthave.com\/products\/3-in-mild-steel-exhaust-tubing-kit-8pcs-diy-custom-mandrel-bends","provider":"GearMustHave","version":"1.0","type":"link"}