{"title":"Exhaust Inserts","description":null,"products":[{"product_id":"3-5in-vortex-cone-muffler","title":"Dynatech Headers Vortex Cone Muffler Insert 3.5in Stainless — Exhaust Tuning","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Dynatech Headers\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eDynatech Headers engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Dynatech Headers lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eEnhance Exhaust Efficiency with Vortex Cone Inserts\u003c\/h2\u003e\u003cp\u003eThe Dynatech Vortex Cone Muffler Insert is a precision-engineered component designed to manage exhaust flow and sound levels in high-performance racing applications. By utilizing a vortex-inducing cone design, this insert helps to smooth out exhaust pulses and improve scavenging, leading to better engine response and a more consistent power band.\u003c\/p\u003e\u003ch3\u003eKey Advantages\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVortex Technology:\u003c\/strong\u003e Advanced cone design promotes better exhaust gas velocity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Material:\u003c\/strong\u003e Constructed from high-grade stainless steel for maximum heat resistance and longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Sizing:\u003c\/strong\u003e 3.5-inch diameter fits a wide variety of custom exhaust systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Profile:\u003c\/strong\u003e 5.75-inch length allows for seamless integration into existing exhaust pipes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are looking to fine-tune your exhaust backpressure or need a reliable way to manage sound output at the track, the Vortex Cone insert is an essential tool for any serious builder. Its stainless steel construction ensures it will not rust or degrade under the extreme temperatures seen in racing exhaust systems. Installing this insert is a straightforward way to optimize your exhaust path, providing a noticeable improvement in throttle response and overall engine efficiency. At GGCRACING, we understand that every detail of your exhaust system contributes to your final lap time. Add this Dynatech component to your setup and experience the difference that precision tuning makes.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Dynatech Headers products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/muffler-3-00in-torque-booster-602-604-crate\" style=\"color:#0066cc;text-decoration:none;\"\u003eDynatech Headers Torque Booster Muffler 3in Inlet\/Outlet — Circle Track Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/3-0in-vortex-cone-muffler\" style=\"color:#0066cc;text-decoration:none;\"\u003eDynatech Headers 3.0in Vortex Cone Exhaust Insert - Stainless Steel — Optimize Exhaust Per\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/vortex-cone-for-4in-collector\" style=\"color:#0066cc;text-decoration:none;\"\u003eDynatech Headers Vortex Cone 4in Collector Exhaust Insert — Universal Performance Upgrade\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/split-flow-3in-race-muffler\" style=\"color:#0066cc;text-decoration:none;\"\u003eDynatech Headers Split-Flow 3in Race Muffler — Universal High-Flow Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/split-flow-3-5in-race-muffler\" style=\"color:#0066cc;text-decoration:none;\"\u003eDynatech Headers 3.5in Split-Flow Race Muffler – Aluminized Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Dynatech Headers Vortex Cone Muffler Insert 3.5in Stainless \\u2014 Exhaust Tuning\",\"description\":\"Fine-tune your exhaust flow with the Dynatech Vortex Cone Muffler Insert. 3.5in diameter stainless steel construction. Improve performance at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Dynatech Headers\"},\"mpn\":\"772-32510\",\"url\":\"https:\/\/ggcracing.com\/products\/3-5in-vortex-cone-muffler\",\"offers\":{\"@type\":\"Offer\",\"price\":\"59.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/3-5in-vortex-cone-muffler\",\"sku\":\"BJPL_772-32510\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Exhaust\",\"item\":\"https:\/\/ggcracing.com\/collections\/exhaust\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Dynatech Headers\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Dynatech+Headers\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Dynatech Headers Vortex Cone Muffler Insert 3.5in Stainless \\u2014 Exhaust Tuning\",\"item\":\"https:\/\/ggcracing.com\/products\/3-5in-vortex-cone-muffler\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Dynatech Headers Vortex Cone Muffler Insert 3.5in Stainless \\u2014 Exhaust Tuning fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Dynatech Headers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Dynatech Headers Vortex Cone Muffler Insert 3.5in Stainless \\u2014 Exhaust Tuning?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cat-back exhausts are bolt-on with basic hand tools \\u2014 most installs take 1-2 hours. No welding required.\"}}]}\u003c\/script\u003e","brand":"Dynatech Headers","offers":[{"title":"Default Title","offer_id":40870461800532,"sku":"BJPL_772-32510","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/DTH772-32510.jpg?v=1714344122"},{"product_id":"3-0in-vortex-cone-muffler","title":"Dynatech Headers 3.0in Vortex Cone Exhaust Insert - Stainless Steel — Optimize Exhaust Performance","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Dynatech Headers\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eDynatech Headers engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Dynatech Headers lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eElevate Your Exhaust with the Dynatech Headers 3.0in Vortex Cone Insert\u003c\/h2\u003e\u003cp\u003eFor those seeking to extract maximum performance and a distinct sound from their vehicle's exhaust, the Dynatech Headers 3.0in Vortex Cone Exhaust Insert is an indispensable upgrade. This meticulously engineered component leverages cutting-edge vortex technology to enhance exhaust gas velocity and scavenging, directly contributing to improved engine efficiency and a more aggressive, yet refined, exhaust note. It's the ideal solution for enthusiasts looking to fine-tune their exhaust system for optimal results.\u003c\/p\u003e\u003ch3\u003eSuperior Construction for Uncompromising Durability\u003c\/h3\u003e\u003cp\u003eCrafted from premium-grade stainless steel, the Dynatech 3.0in Vortex Cone Exhaust Insert is built to endure the most demanding conditions. Stainless steel provides exceptional resistance to corrosion, rust, and the intense heat cycles inherent in high-performance exhaust systems, ensuring long-term reliability and consistent performance. With a precise 3.0-inch diameter and a compact 4.75-inch length, this insert is designed for seamless integration into a wide array of 3.0-inch exhaust setups, offering a robust and lasting enhancement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Vortex Cone Design:\u003c\/strong\u003e Maximizes exhaust gas velocity for superior scavenging and performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.0in Diameter:\u003c\/strong\u003e Perfectly sized for common performance exhaust systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Grade Stainless Steel:\u003c\/strong\u003e Guarantees exceptional durability and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance-Tuned Sound:\u003c\/strong\u003e Contributes to a deeper, more aggressive exhaust tone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Efficient:\u003c\/strong\u003e Optimized dimensions for effective performance enhancement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 3.00 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 4.75 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Vortex Cone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Universal Exhaust Insert\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 772-32520\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAchieve Peak Exhaust Efficiency with Dynatech\u003c\/h3\u003e\u003cp\u003eThe Dynatech Headers 3.0in Vortex Cone Exhaust Insert represents a smart investment in your vehicle's performance and auditory experience. By optimizing the internal dynamics of your exhaust, it helps your engine breathe more freely, potentially leading to gains in horsepower and torque, along with a more satisfying exhaust note. Trust Dynatech's legacy of innovation to deliver components that truly make a difference. Explore this and other high-quality exhaust solutions for your ride at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Dynatech Headers products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/muffler-3-00in-torque-booster-602-604-crate\" style=\"color:#0066cc;text-decoration:none;\"\u003eDynatech Headers Torque Booster Muffler 3in Inlet\/Outlet — Circle Track Racing\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/3-5in-vortex-cone-muffler\" style=\"color:#0066cc;text-decoration:none;\"\u003eDynatech Headers Vortex Cone Muffler Insert 3.5in Stainless — Exhaust Tuning\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/vortex-cone-for-4in-collector\" style=\"color:#0066cc;text-decoration:none;\"\u003eDynatech Headers Vortex Cone 4in Collector Exhaust Insert — Universal Performance Upgrade\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/split-flow-3in-race-muffler\" style=\"color:#0066cc;text-decoration:none;\"\u003eDynatech Headers Split-Flow 3in Race Muffler — Universal High-Flow Performance\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/split-flow-3-5in-race-muffler\" style=\"color:#0066cc;text-decoration:none;\"\u003eDynatech Headers 3.5in Split-Flow Race Muffler – Aluminized Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Dynatech Headers 3.0in Vortex Cone Exhaust Insert - Stainless Steel \\u2014 Optimize Exhaust Performance\",\"description\":\"Upgrade your exhaust with the Dynatech Headers 3.0in Vortex Cone Exhaust Insert. Premium stainless steel construction ensures optimal flow and a refined sound. Upgrade your system!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Dynatech Headers\"},\"mpn\":\"772-32520\",\"url\":\"https:\/\/ggcracing.com\/products\/3-0in-vortex-cone-muffler\",\"offers\":{\"@type\":\"Offer\",\"price\":\"59.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/3-0in-vortex-cone-muffler\",\"sku\":\"BJPL_772-32520\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Exhaust\",\"item\":\"https:\/\/ggcracing.com\/collections\/exhaust\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Dynatech Headers\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Dynatech+Headers\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Dynatech Headers 3.0in Vortex Cone Exhaust Insert - Stainless Steel \\u2014 Optimize Exhaust Performance\",\"item\":\"https:\/\/ggcracing.com\/products\/3-0in-vortex-cone-muffler\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Dynatech Headers 3.0in Vortex Cone Exhaust Insert - Stainless Steel \\u2014 Optimize E fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Dynatech Headers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Dynatech Headers 3.0in Vortex Cone Exhaust Insert - Stainless Steel \\u2014 Optimize E?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cat-back exhausts are bolt-on with basic hand tools \\u2014 most installs take 1-2 hours. No welding required.\"}}]}\u003c\/script\u003e","brand":"Dynatech Headers","offers":[{"title":"Default Title","offer_id":40870461964372,"sku":"BJPL_772-32520","price":59.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/DTH772-32520.jpg?v=1714344131"},{"product_id":"insert-muffler-3inod-fits-3-5in-collector","title":"Schoenfeld Headers Muffler Insert - 3in Core Fits 3.5in Collector","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Schoenfeld Headers\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eSchoenfeld Headers engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Schoenfeld Headers lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/SDBqiz84DJ0\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eSchoenfeld Headers Muffler Insert - For 3.5\" Collector\u003c\/h2\u003e\n\u003cp\u003eControl your exhaust note with this Schoenfeld Headers muffler insert, designed to fit a 3.5-inch collector and featuring a 3-inch core. This insert is an effective way to modify the sound of your exhaust system, offering a more refined tone without the bulk of a full muffler. Its compact 4-inch length makes it versatile for installation in tight spaces within custom exhaust setups.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Muffler Insert\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector Fitment:\u003c\/strong\u003e Designed for 3.5-inch collectors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCore Diameter:\u003c\/strong\u003e 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Durable steel construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Natural steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Sound modification for custom exhaust systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold:\u003c\/strong\u003e Each\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis muffler insert is perfect for enthusiasts looking to tune their exhaust sound for street use or specific racing applications. By strategically placing this insert, you can reduce interior drone and achieve a more desirable exhaust note. The steel construction ensures it can withstand the heat and vibration associated with exhaust systems. Its compatibility with 3.5-inch collectors and 3-inch cores makes it a practical choice for many custom exhaust projects.\u003c\/p\u003e\n\u003cp\u003eEnhance your vehicle's sound profile with reliable and effective components from Schoenfeld Headers.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Schoenfeld Headers products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/1-5-8in-sbc-flange-square-cnc\" style=\"color:#0066cc;text-decoration:none;\"\u003eSchoenfeld Headers 1-5\/8in SBC Square Port Header Flanges - Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/gasket-sbc-sb2\" style=\"color:#0066cc;text-decoration:none;\"\u003eSchoenfeld Headers 01590 SBC SB2 Exhaust Header Gasket — Steel Core Graphite\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sprint-car-headers-1-3-4\" style=\"color:#0066cc;text-decoration:none;\"\u003eSchoenfeld Headers 1054LV Sprint Car Headers 1-3\/4in Primary — Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/12in-muffler\" style=\"color:#0066cc;text-decoration:none;\"\u003eSchoenfeld Headers 123535 12in Muffler — 3.5in Center Inlet\/Outlet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-header-602-crate-1-5-8in-x-3in\" style=\"color:#0066cc;text-decoration:none;\"\u003eSchoenfeld Headers 135CM2 SBC 602 Crate Headers 1-5\/8in x 3in — Black Paint\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Schoenfeld Headers Muffler Insert - 3in Core Fits 3.5in Collector\",\"description\":\"Discover Schoenfeld Headers Muffler Insert. 3in core fits 3.5in collector, 4in length. Steel construction for sound control. Get yours today!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Schoenfeld Headers\"},\"mpn\":\"43035\",\"url\":\"https:\/\/ggcracing.com\/products\/insert-muffler-3inod-fits-3-5in-collector\",\"offers\":{\"@type\":\"Offer\",\"price\":\"17.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/insert-muffler-3inod-fits-3-5in-collector\",\"sku\":\"BJHJ_43035\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Exhaust\",\"item\":\"https:\/\/ggcracing.com\/collections\/exhaust\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Schoenfeld Headers\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Schoenfeld+Headers\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Schoenfeld Headers Muffler Insert - 3in Core Fits 3.5in Collector\",\"item\":\"https:\/\/ggcracing.com\/products\/insert-muffler-3inod-fits-3-5in-collector\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Schoenfeld Headers Muffler Insert - 3in Core Fits 3.5in Collector fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Schoenfeld Headers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Schoenfeld Headers Muffler Insert - 3in Core Fits 3.5in Collector?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cat-back exhausts are bolt-on with basic hand tools \\u2014 most installs take 1-2 hours. No welding required.\"}}]}\u003c\/script\u003e","brand":"Schoenfeld Headers","offers":[{"title":"Default Title","offer_id":41654834102356,"sku":"BJHJ_43035","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/SCH43035.jpg?v=1729793878"},{"product_id":"insert-muffler-2-5inod-fits-3in-collector","title":"Schoenfeld Headers Muffler Insert - 2.5in OD Core - Fits 3in Collector","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Schoenfeld Headers\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eSchoenfeld Headers engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Schoenfeld Headers lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/SDBqiz84DJ0\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eSchoenfeld Headers Muffler Insert - Precision Exhaust Tuning\u003c\/h2\u003e\n\u003cp\u003eOptimize your exhaust system's sound and performance with the Schoenfeld Headers Muffler Insert. This insert is expertly designed to fit within a 3-inch diameter collector, featuring a 2.5-inch outer diameter core. Crafted from durable steel with a natural finish, this component is built to withstand the rigors of high-performance applications and provide a long service life.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Designed to fit into a 3-inch diameter exhaust collector.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCore Size:\u003c\/strong\u003e Features a 2.5-inch outer diameter core for controlled exhaust flow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e Measures 4 inches in length, allowing for versatile installation placement.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Constructed from robust steel for durability and longevity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Comes in a natural steel finish, ready for welding or further treatment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Muffler Insert, ideal for fine-tuning exhaust notes and reducing unwanted resonance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe Schoenfeld Headers Muffler Insert is an essential component for racers and enthusiasts looking to precisely tune their exhaust system's acoustics. Whether you're aiming for a deeper tone, a more refined sound, or simply want to reduce excessive noise levels, this insert offers a practical solution. Its straightforward design makes it easy to integrate into custom exhaust setups or modify existing systems. The quality construction ensures that it will perform reliably under various driving conditions.\u003c\/p\u003e\n\n\u003cp\u003eEnhance your exhaust system's performance and sound. Find the Schoenfeld Headers Muffler Insert and other quality exhaust components at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Schoenfeld Headers products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/1-5-8in-sbc-flange-square-cnc\" style=\"color:#0066cc;text-decoration:none;\"\u003eSchoenfeld Headers 1-5\/8in SBC Square Port Header Flanges - Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/gasket-sbc-sb2\" style=\"color:#0066cc;text-decoration:none;\"\u003eSchoenfeld Headers 01590 SBC SB2 Exhaust Header Gasket — Steel Core Graphite\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sprint-car-headers-1-3-4\" style=\"color:#0066cc;text-decoration:none;\"\u003eSchoenfeld Headers 1054LV Sprint Car Headers 1-3\/4in Primary — Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/12in-muffler\" style=\"color:#0066cc;text-decoration:none;\"\u003eSchoenfeld Headers 123535 12in Muffler — 3.5in Center Inlet\/Outlet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-header-602-crate-1-5-8in-x-3in\" style=\"color:#0066cc;text-decoration:none;\"\u003eSchoenfeld Headers 135CM2 SBC 602 Crate Headers 1-5\/8in x 3in — Black Paint\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Schoenfeld Headers Muffler Insert - 2.5in OD Core - Fits 3in Collector\",\"description\":\"Tune your exhaust with Schoenfeld Headers Muffler Insert. 2.5in OD core fits 3in collector. Steel, natural finish. Shop GGCRACING for exhaust components!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Schoenfeld Headers\"},\"mpn\":\"42530\",\"url\":\"https:\/\/ggcracing.com\/products\/insert-muffler-2-5inod-fits-3in-collector\",\"offers\":{\"@type\":\"Offer\",\"price\":\"16.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/insert-muffler-2-5inod-fits-3in-collector\",\"sku\":\"BJHJ_42530\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Exhaust\",\"item\":\"https:\/\/ggcracing.com\/collections\/exhaust\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Schoenfeld Headers\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Schoenfeld+Headers\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Schoenfeld Headers Muffler Insert - 2.5in OD Core - Fits 3in Collector\",\"item\":\"https:\/\/ggcracing.com\/products\/insert-muffler-2-5inod-fits-3in-collector\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Schoenfeld Headers Muffler Insert - 2.5in OD Core - Fits 3in Collector fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Schoenfeld Headers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Schoenfeld Headers Muffler Insert - 2.5in OD Core - Fits 3in Collector?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cat-back exhausts are bolt-on with basic hand tools \\u2014 most installs take 1-2 hours. No welding required.\"}}]}\u003c\/script\u003e","brand":"Schoenfeld Headers","offers":[{"title":"Default Title","offer_id":41654835413076,"sku":"BJHJ_42530","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/SCH42530.jpg?v=1729793945"},{"product_id":"insert-muffler-3-5inod-fits-4in-collector","title":"Schoenfeld Headers 3.5in Muffler Insert — Fits 4in Collector","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Schoenfeld Headers\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eSchoenfeld Headers engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Schoenfeld Headers lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/SDBqiz84DJ0\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eSchoenfeld Headers Muffler Insert - 43540\u003c\/h2\u003e\n\u003cp\u003eUpgrade your exhaust system with the Schoenfeld Headers Muffler Insert, part number 43540. This insert is specifically designed to fit into a 4-inch diameter collector, providing a seamless integration for enhanced exhaust flow and sound management. The core of the muffler measures 3.5 inches in diameter and is 4 inches long, making it a versatile component for various custom exhaust setups.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCollector Fitment:\u003c\/strong\u003e Engineered to fit 4-inch diameter collectors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMuffler Core Size:\u003c\/strong\u003e 3.5 inches in diameter.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 4 inches for a compact design.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Constructed from durable steel for longevity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Natural steel finish.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Sold individually (each).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis muffler insert is an excellent choice for racers and performance enthusiasts looking to fine-tune their vehicle's exhaust note and performance. Its robust steel construction ensures it can withstand the rigors of high-performance driving. Whether you're building a new exhaust system or modifying an existing one, this Schoenfeld Headers insert offers a reliable solution for achieving your desired sound and performance characteristics. For all your high-performance exhaust needs, trust GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Schoenfeld Headers products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/1-5-8in-sbc-flange-square-cnc\" style=\"color:#0066cc;text-decoration:none;\"\u003eSchoenfeld Headers 1-5\/8in SBC Square Port Header Flanges - Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/gasket-sbc-sb2\" style=\"color:#0066cc;text-decoration:none;\"\u003eSchoenfeld Headers 01590 SBC SB2 Exhaust Header Gasket — Steel Core Graphite\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sprint-car-headers-1-3-4\" style=\"color:#0066cc;text-decoration:none;\"\u003eSchoenfeld Headers 1054LV Sprint Car Headers 1-3\/4in Primary — Small Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/12in-muffler\" style=\"color:#0066cc;text-decoration:none;\"\u003eSchoenfeld Headers 123535 12in Muffler — 3.5in Center Inlet\/Outlet\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-header-602-crate-1-5-8in-x-3in\" style=\"color:#0066cc;text-decoration:none;\"\u003eSchoenfeld Headers 135CM2 SBC 602 Crate Headers 1-5\/8in x 3in — Black Paint\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Schoenfeld Headers 3.5in Muffler Insert \\u2014 Fits 4in Collector\",\"description\":\"Enhance your exhaust with Schoenfeld Headers 3.5in Muffler Insert. Designed for 4in collectors, this steel insert offers durability. Shop now at GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Schoenfeld Headers\"},\"mpn\":\"43540\",\"url\":\"https:\/\/ggcracing.com\/products\/insert-muffler-3-5inod-fits-4in-collector\",\"offers\":{\"@type\":\"Offer\",\"price\":\"23.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/insert-muffler-3-5inod-fits-4in-collector\",\"sku\":\"BJHJ_43540\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Exhaust\",\"item\":\"https:\/\/ggcracing.com\/collections\/exhaust\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Schoenfeld Headers\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=Schoenfeld+Headers\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Schoenfeld Headers 3.5in Muffler Insert \\u2014 Fits 4in Collector\",\"item\":\"https:\/\/ggcracing.com\/products\/insert-muffler-3-5inod-fits-4in-collector\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the Schoenfeld Headers 3.5in Muffler Insert \\u2014 Fits 4in Collector fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Schoenfeld Headers?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Schoenfeld Headers 3.5in Muffler Insert \\u2014 Fits 4in Collector?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cat-back exhausts are bolt-on with basic hand tools \\u2014 most installs take 1-2 hours. 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