{"product_id":"borla-400374-xr-1-multi-core-4in-ctr-ctr-round-16in-x-6-25in-rotary-engine-equipped-racing-muffler","title":"Borla XR-1 4in Ctr-Ctr Round Rotary Race Muffler | Universal (400374)","description":"\u003ch1\u003eBorla XR-1 Multi-Core Racing Muffler\u003c\/h1\u003e\n\u003ch2\u003eUniversal Fitment\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 400374\u003c\/p\u003e\n\u003ch3\u003eOverview\u003c\/h3\u003e\nThe Borla XR-1 Multi-Core Racing Muffler is a high-performance exhaust component designed for rotary engine-equipped vehicles. Engineered for racing applications, this muffler combines advanced multicore technology with a patented uninerrupted-flow design to optimize exhaust flow, reduce backpressure, and enhance overall engine response. Its durable stainless steel construction ensures longevity and resistance to high temperatures, making it ideal for competitive racing environments. Whether you're upgrading your race car or seeking a robust exhaust solution, the XR-1 muffler delivers a combination of performance, durability, and a refined sound profile that appeals to serious enthusiasts and professional racers alike.\n\u003ch3\u003eKey Features\u003c\/h3\u003e\nThis racing muffler features a precision-crafted design focused on maximizing exhaust efficiency and durability. Key features include:\n\u003cul\u003e\n\u003cli\u003eConstructed from high-quality stainless steel for corrosion resistance and longevity\u003c\/li\u003e\n\u003cli\u003eMulti-core internal design to improve exhaust flow and reduce turbulence\u003c\/li\u003e\n\u003cli\u003e4-inch inlet and outlet diameters for optimal performance and compatibility with racing setups\u003c\/li\u003e\n\u003cli\u003e16-inch length with a 6.25-inch round body for a compact yet effective profile\u003c\/li\u003e\n\u003cli\u003eReversible design for versatile installation options\u003c\/li\u003e\n\u003cli\u003eUninterrupted flow path to support high RPM operation and aggressive driving\u003c\/li\u003e\n\u003cli\u003eUniversal fitment suitable for a wide range of rotary engine vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\nThe XR-1 muffler is built with a stainless steel body featuring a round, compact design that balances performance and durability. Its multicore internal structure is engineered to optimize exhaust flow, minimize backpressure, and support high-performance engine operation. The reversible design adds installation flexibility, allowing it to be configured for various exhaust layouts.\n\u003ch3\u003eDriving Feel \u0026amp; Feedback\u003c\/h3\u003e\nDesigned to enhance the exhaust flow and sound characteristics of rotary engine vehicles, this muffler helps produce a more aggressive and refined exhaust note. It supports improved throttle response and engine efficiency, providing a more engaging driving experience suited for racing and high-performance applications.\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\nThis universal muffler is intended for straightforward installation on compatible rotary engine vehicles. Proper fitment should be verified against your vehicle’s exhaust system specifications and the part number provided.\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\nThe package includes the XR-1 Multi-Core Racing Muffler with all necessary mounting hardware for a secure installation. Additional components or adapters are not included and should be sourced separately if required for your specific setup.","brand":"Borla","offers":[{"title":"Default Title","offer_id":51582443225375,"sku":"400374","price":371.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0229\/3877\/files\/4afad94b9fb25e82b2fe7fef695e0ce8l.jpg?v=1769653666","url":"https:\/\/shop.wheelflip.com\/products\/borla-400374-xr-1-multi-core-4in-ctr-ctr-round-16in-x-6-25in-rotary-engine-equipped-racing-muffler","provider":"WheelFlip","version":"1.0","type":"link"}