{"product_id":"mpd-muffler-cement-putty-16-oz-exhaust-leak-repair-putty-heat-resistant-to-2000-f","title":"MPD Muffler Cement Putty 16 oz – Exhaust Leak Repair Putty, Heat Resistant to 2000°F","description":"\u003cp\u003e\u003cstrong\u003eMPD Muffler Cement Putty is a heavy-duty, high-temperature repair compound that seals exhaust leaks, cracks and holes in mufflers, tailpipes and other automotive exhaust components.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you need a fast, permanent-feeling fix for an exhaust leak without removing parts or welding, this 16 oz putty offers a workable paste that cures to a heat-tolerant seal. Formulated to resist temperatures up to 2000°F, the compound bonds to metal and other exhaust surfaces so you can restore performance, reduce noise and stop fumes from escaping while you prepare for a more permanent repair.\u003c\/p\u003e\n\n\u003ch3\u003eHow does MPD Muffler Cement Putty stop exhaust leaks quickly?\u003c\/h3\u003e\n\u003cp\u003eThe putty is a malleable paste that molds into gaps and holes, filling voids to create a continuous repair surface. It adheres to common exhaust metals and sets into a firm, high-temperature-resistant seal so leaks are contained almost immediately after application.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReady-to-use 16 oz tub for medium repairs\u003c\/li\u003e\n  \u003cli\u003eWorks on mufflers, tailpipes, joints and welded seams\u003c\/li\u003e\n  \u003cli\u003eAdheres to steel, aluminized metal and similar exhaust substrates\u003c\/li\u003e\n  \u003cli\u003eFills cracks, pinholes and larger perforations up to recommended depth\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat temperatures and conditions can the putty withstand?\u003c\/h3\u003e\n\u003cp\u003eMPD Muffler Cement is formulated for extreme heat exposure and performs reliably in exhaust environments where temperatures spike. Its thermal resistance rating up to 2000°F helps maintain the repair under continuous high-heat cycling found in engines and exhaust systems.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRated heat resistance: up to 2000°F for exhaust applications\u003c\/li\u003e\n  \u003cli\u003eResistant to hot gases and thermal expansion\/contraction\u003c\/li\u003e\n  \u003cli\u003eMaintains bond under vibration typical of automotive use\u003c\/li\u003e\n  \u003cli\u003eSuitable for both under-vehicle and near-engine exhaust sections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do you apply the putty for best results?\u003c\/h3\u003e\n\u003cp\u003eSurface prep and correct shaping ensure the longest-lasting fix. Clean and roughen the repair area, knead the putty until uniform, press it into the defect and smooth the surface to form a continuous seal; curing begins as it sets to operating temperature.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eClean area of oil, rust flakes and loose scale before applying\u003c\/li\u003e\n  \u003cli\u003eKnead to a uniform color, then press into holes and seams\u003c\/li\u003e\n  \u003cli\u003eSmooth edges to create continuous coverage and prevent gaps\u003c\/li\u003e\n  \u003cli\u003eAllow initial set, then run engine to complete heat cure as directed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will a repair last and when should I seek professional service?\u003c\/h3\u003e\n\u003cp\u003eRepairs made with this putty are robust for permanent or long-term temporary fixes depending on damage severity and installation quality. For widely corroded panels, extensive structural damage, or when emissions compliance is required, follow up with professional welding or component replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurability depends on damage size, prep and placement\u003c\/li\u003e\n  \u003cli\u003eGood for many common pinholes, small cracks and seam leaks\u003c\/li\u003e\n  \u003cli\u003eConsider replacement for heavily rusted or load-bearing sections\u003c\/li\u003e\n  \u003cli\u003eUse as an effective stopgap until a full repair is done if needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: MPD Muffler Cement Putty is designed for DIY mechanics, fleet maintenance crews, and automotive technicians who need a high-temperature repair compound for exhaust leaks without immediate welding. It suits weekenders fixing muffler pinholes, professional shops performing quick turnaround repairs, and anyone who needs a dependable, heat-resistant seal to restore exhaust function and reduce noise while evaluating long-term service options.\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: Can MPD Muffler Cement withstand constant exhaust heat?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It is rated to resist temperatures up to 2000°F, suitable for continuous exhaust heat cycles.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to weld after applying the putty?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Not always. The putty provides a durable seal, but welding or part replacement is recommended for severely corroded areas.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MPD","offers":[{"title":"Default Title","offer_id":48087692902558,"sku":"B0FDH7C59P","price":34.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/mpd-muffler-cement-front-tub.jpg?v=1785928972","url":"https:\/\/northtrailauto.ca\/products\/mpd-muffler-cement-putty-16-oz-exhaust-leak-repair-putty-heat-resistant-to-2000-f","provider":"North Trail Auto","version":"1.0","type":"link"}