{"product_id":"jy-performance-4-inch-straight-exhaust-pipe-t304-stainless","title":"JY PERFORMANCE 4 Inch Straight Exhaust Pipe - T304 Stainless","description":"\u003cp\u003eIn this review of the JY PERFORMANCE 4 inch straight exhaust pipe, the bottom line is simple: it is a no-frills, universal stainless tube that suits DIY exhaust repairs and custom projects where corrosion resistance and a polished look matter. The reviewer found the 47.3 in length and 4 in outside diameter make it easy to trim and weld into place, while the T-304 stainless construction delivers visible polish and solid long-term resistance in wet environments. This pipe is aimed at hobbyists and mechanics who need an affordable, serviceable mandrel straight tube.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e T-304 stainless steel offers solid corrosion resistance, which helps the pipe hold up in wet and corrosive conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e The 4 in outside diameter and 47.3 in straight length give plenty of material for cutting, joining and fitting into custom exhaust runs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 17 gauge (about 1.4 mm) provides a balance of light weight and ease of manipulation for DIY bending and welding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Highly polished surface improves appearance for visible exhaust sections and resists surface corrosion longer than plain steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Fitment:\u003c\/strong\u003e Designed for universal applications, it works for automotive exhausts or assorted industrial uses where a straight mandrel tube is needed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe pipe is best for DIY enthusiasts, custom exhaust fabricators and small repair shops that need a long, straight mandrel tube to cut, weld and adapt for different vehicles or industrial uses. It is particularly useful when a polished stainless look and corrosion resistance are desired on exhaust tips or visible runs.\u003c\/p\u003e\u003cp\u003eThose who need thicker heavy-duty wall tubing for extreme performance or high-flow competition applications should look elsewhere, since feedback on the 17 gauge wall indicates it can be perceived as thin for some demanding uses. Also, buyers needing pre-bent or flanged pieces will require additional fittings.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood corrosion resistance from \u003cstrong\u003eT-304 stainless\u003c\/strong\u003e, extending service life in wet environments.\u003c\/li\u003e\n\u003cli\u003eLong 47.3 in length and 4 in OD make it versatile for trimming and custom installs.\u003c\/li\u003e\n\u003cli\u003eHighly polished finish improves appearance and resists surface wear for visible exhaust sections.\u003c\/li\u003e\n\u003cli\u003eUniversal fitment and affordable pricing make it a practical choice for DIY work.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e17 gauge wall is on the thinner side; some users report it feels light compared to thicker tubing.\u003c\/li\u003e\n\u003cli\u003eNo preformed bends or flanges included, so additional fittings or welding are required for many installs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eJY PERFORMANCE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eT-304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutside Diameter\u003c\/td\u003e\n\u003ctd\u003e4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStraight Pipe Length\u003c\/td\u003e\n\u003ctd\u003e47.3 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e17 gauge (1.4 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003e1 x 4 in stainless exhaust pipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe JY PERFORMANCE 4 in straight exhaust pipe is a solid value for DIYers and small shops that need a polished, corrosion-resistant mandrel tube to cut and weld into custom systems. Its T-304 construction and long length make installation flexible, but the 17 gauge wall and lack of fittings mean it is best suited for light to moderate duty builds rather than heavy-performance applications.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eIs this pipe ready to install out of the box?\u003c\/strong\u003e\u003cbr\u003eIt ships as a straight 47.3 in T-304 tube and will require cutting, welding or clamps and any flanges or bends needed for your installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be used for marine or wet environments?\u003c\/strong\u003e\u003cbr\u003eYes, T-304 stainless gives good corrosion resistance in wet conditions, which makes it suitable for many marine or wet-environment uses.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow thick is the metal and is it durable?\u003c\/strong\u003e\u003cbr\u003eThe wall is 17 gauge (about 1.4 mm); it handles general exhaust and custom work but may feel thin for heavy-duty or high-stress performance applications.\u003c\/p\u003e","brand":"JY PERFORMANCE","offers":[{"title":"Default Title","offer_id":48744356282587,"sku":"B0C66Y77N6","price":43.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51Uxhy3GgdL._AC_SL1500.jpg?v=1778791384","url":"https:\/\/gearmusthave.com\/products\/jy-performance-4-inch-straight-exhaust-pipe-t304-stainless","provider":"GearMustHave","version":"1.0","type":"link"}