{"product_id":"prokomon-3-piece-exhaust-pipe-expander-set-tail-pipe-repair-1-1-8-to-3-1-2-inches","title":"Prokomon 3-Piece Exhaust Pipe Expander Set - Tail Pipe Repair 1-1\/8 to 3-1\/2 Inches","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Prokomon 3-Piece Exhaust Pipe Expander Set is a practical kit designed to help you restore shape to mufflers and tail pipes. With three expanders covering 1-1\/8 to 3-1\/2 inch ID thin-wall pipes, you can apply controlled expansion using common hand tools. The design emphasizes simplicity, letting you tackle dents and misaligned ends with confidence in a garage or driveway setting.\u003c\/p\u003e\n\u003ch3\u003eWhat’s Included and Sizing\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSmall Expander: 1-1\/8 to 1-3\/4 inches\u003c\/li\u003e\n  \u003cli\u003eMedium Expander: 1-1\/2 to 2-1\/2 inches\u003c\/li\u003e\n  \u003cli\u003eLarge Expander: 2-1\/8 to 3-1\/2 inches\u003c\/li\u003e\n  \u003cli\u003eSix extra O-rings for reliable fit and sealing\u003c\/li\u003e\n  \u003cli\u003eBlow-mold storage case for organized kit keeping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow It Works in Practice\u003c\/h3\u003e\n\u003cp\u003eIn everyday use, you might encounter clamp dents, marks, or slightly bent pipe ends. The three expanders let you choose the best contact area to gently restore openings or ends. Rotate the expander with a hand ratchet or wrench to widen the pipe opening or straighten small deformations. The process focuses on controlled, finish-friendly expansion rather than brute force.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmall for tighter spots and fine dent repair\u003c\/li\u003e\n  \u003cli\u003eMedium for mid-range openings and typical muffler ends\u003c\/li\u003e\n  \u003cli\u003eLarge for broader refinishing on longer sections\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eUsage Tips and Safety\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAttach the appropriate expander to a compatible hand tool and work gradually.\u003c\/li\u003e\n  \u003cli\u003eRotate with steady, even pressure; pause if resistance increases.\u003c\/li\u003e\n  \u003cli\u003eAvoid applying excessive force to protect the pipe and tool from damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMaterial Compatibility and Limits\u003c\/h3\u003e\n\u003cp\u003eDesigned for aluminum or iron mufflers and tailpipes with wall thickness up to 1 mm. It is not suitable for thick-walled stainless steel pipes. For copper or stainless pipes thicker than 1 mm, heat treatment is recommended before expansion. This helps you decide when the kit is the right fit for a given repair job.\u003c\/p\u003e\n\u003ch3\u003eWhy You Might Reach for This Kit\u003c\/h3\u003e\n\u003cp\u003eWhether you’re tidying up after a muffler repair, addressing a dent in a tail pipe, or trying to evenly widen an opening, the three sizes provide adaptable options. The included case keeps parts neatly organized, and the O-rings help maintain a secure fit as you move between sizes. While results can vary by material, the set is designed to offer a practical, non-destructive path to restoration where appropriate.\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 pipes can the Prokomon 3-Piece Exhaust Pipe Expander set repair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Suitable for aluminum or iron mufflers and thin-walled pipes up to 1 mm; not for thick stainless steel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I use the set safely?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Attach the right expander, align with the pipe, and rotate with a hand tool; avoid excessive force to prevent damage.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Prokomon","offers":[{"title":"Default Title","offer_id":42470163644501,"sku":"B0FDPYR274","price":75.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/prokomon-tail-pipe-expander-small-1-1-8-to-1-3-4.jpg?v=1778121014","url":"https:\/\/plentytorque.co.uk\/products\/prokomon-3-piece-exhaust-pipe-expander-set-tail-pipe-repair-1-1-8-to-3-1-2-inches","provider":"PlentyTorque","version":"1.0","type":"link"}