{"product_id":"gooacc-exhaust-pipe-expander-set-3-piece-1-1-8-3-1-2-in-heavy-duty-tailpipe-spreader-with-o-rings-case","title":"GOOACC Exhaust Pipe Expander Set 3‑Piece 1-1\/8–3-1\/2 in Heavy-Duty Tailpipe Spreader with O-Rings \u0026 Case","description":"\u003cp\u003e\u003cstrong\u003eGOOACC's 3-piece exhaust pipe expander set lets you widen and restore thin-wall tailpipes from 1-1\/8\" up to 3-1\/2\" quickly and reliably.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis professional-grade tailpipe spreader kit is built for technicians and DIYers who need a compact, durable tool to repair dented mufflers, stretch damaged pipe ends, and prepare pipe sections for clamp joints. The set contains three stepped expanders, spare O-rings, and a storage case so you can carry the right size for most cars, trucks, and light commercial vehicles.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this kit expand and repair exhaust pipes?\u003c\/h3\u003e\n\u003cp\u003eThe expanders use a tapered, segmented cone turned inside the pipe to apply even outward pressure so thin-wall pipe regains its round shape or is opened to fit another section. The design spreads force across multiple segments to minimize distortion and achieve a snug fit for clamps or slip joints.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThree stepped sizes cover 1-1\/8\" to 3-1\/2\" inner diameters.\u003c\/li\u003e\n  \u003cli\u003eBeveled steel cones insert fully to ensure uniform expansion.\u003c\/li\u003e\n  \u003cli\u003ePrecision segmenting prevents local buckling and reduces workpieces’ deformation.\u003c\/li\u003e\n  \u003cli\u003eExtra O-rings protect the cone and improve grip during rotation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and construction ensure durability?\u003c\/h3\u003e\n\u003cp\u003eEach expander is hot-forged from high-strength steel and heat-treated to resist wear and corrosion from underbody exposure. The rugged construction holds up to repeated manual use and keeps taper geometry intact for consistent, predictable expansion results.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHot-forged steel body for impact resistance and longevity.\u003c\/li\u003e\n  \u003cli\u003ePrecision-machined surfaces for smooth, controlled turning.\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant finish suitable for garage and roadside work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich sizes are included and what vehicles will they fit?\u003c\/h3\u003e\n\u003cp\u003eThe set bundles three different expanders to cover a wide range of thin-wall exhaust diameters, making it compatible with most passenger cars, light trucks, and many SUVs. Because the sizes overlap, you can choose the closest match to expand or repair without needing extra adapters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmall: expands approximately 1-1\/8\" to 1-3\/4\" ID.\u003c\/li\u003e\n  \u003cli\u003eMedium: expands approximately 1-1\/2\" to 2-1\/2\" ID.\u003c\/li\u003e\n  \u003cli\u003eLarge: expands approximately 2-1\/8\" to 3-1\/2\" ID.\u003c\/li\u003e\n  \u003cli\u003eComes with 6 spare O-rings and a compact plastic carrying case.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use the expander safely for best results?\u003c\/h3\u003e\n\u003cp\u003eFor controlled expansion, insert the beveled cone fully into the pipe before turning and use a manual wrench or ratchet to rotate the tool slowly. Avoid high-speed electric tools and excessive torque to reduce the risk of tearing or wrinkling the pipe metal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePush the cone fully into the pipe; do not expand from a half-inserted position.\u003c\/li\u003e\n  \u003cli\u003eUse a manual ratchet or hand wrench—avoid electric ratchets for final tightening.\u003c\/li\u003e\n  \u003cli\u003eTurn gradually and check fit frequently to prevent over-expansion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? GOOACC's exhaust pipe expander set is aimed at mechanics, mobile exhaust technicians, and hands-on vehicle owners who need a portable, reliable solution to repair clamp dents, spread pipe ends for slip-fit joints, and restore thin-wall tailpipes. If you work on a variety of cars and light trucks and want a compact kit that covers common diameters and delivers repeatable results without specialized tooling, this set is a practical, durable addition to your repair kit.\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 pipe diameters does this kit cover?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The three expanders cover roughly 1-1\/8\" to 3-1\/2\" inner diameters, fitting most car and light-truck thin-wall exhaust pipes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use an electric ratchet with these expanders?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Manual wrenches or ratchets are recommended; electric tools can over-torque and risk deforming the pipe.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GOOACC","offers":[{"title":"Default Title","offer_id":48082969591966,"sku":"B0GXBF723S","price":54.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gooacc-front-view-expander-kit.jpg?v=1785820939","url":"https:\/\/northtrailauto.ca\/products\/gooacc-exhaust-pipe-expander-set-3-piece-1-1-8-3-1-2-in-heavy-duty-tailpipe-spreader-with-o-rings-case","provider":"North Trail Auto","version":"1.0","type":"link"}