{"product_id":"dinan-18-23-bmw-m550i-xdrive-stainless-steel-3in-high-flow-middle-exhaust","title":"Dinan High Flow Middle Exhaust | BMW M550i xDrive (18-23) (D660-0080)","description":"\u003ch1\u003eDinan Performance Exhaust\u003c\/h1\u003e\n\n\u003ch2\u003eFits 2018–2023 BMW M550i xDrive\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e D660-0080\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\n\u003cp\u003eThe Dinan 18-23 BMW M550i xDrive Stainless Steel 3in High Flow Middle Exhaust is a high-performance mid-section upgrade designed for enthusiasts seeking enhanced exhaust flow and a more aggressive sound. Crafted from durable T304 stainless steel, this full kit replaces the factory center section, including the resonator, with larger 3-inch tubing to support freer airflow. The result is a more responsive driving experience, improved sound character, and a refined aesthetic that complements the vehicle's sporty nature.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eConstructed from high-quality T304 stainless steel for durability and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eMandrel-bent X-pipe design minimizes restriction and promotes even exhaust flow\u003c\/li\u003e\n  \u003cli\u003eReplaces factory resonator for increased volume and a fuller exhaust note\u003c\/li\u003e\n  \u003cli\u003eEnhances sound quality with a louder, smoother, and more aggressive tone\u003c\/li\u003e\n  \u003cli\u003eDesigned for direct bolt-on installation on compatible BMW M550i xDrive models\u003c\/li\u003e\n  \u003cli\u003eImproves exhaust flow for potential performance gains and a more engaging driving experience\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\n\u003cp\u003eThis exhaust system features mandrel-bent tubing and a precisely crafted X-pipe, ensuring minimal restriction and optimal flow dynamics. The use of T304 stainless steel guarantees long-lasting performance and resistance to corrosion, making it a reliable upgrade for spirited driving and daily use.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Response\u003c\/h3\u003e\n\n\u003cp\u003eBy removing the factory resonator and increasing the diameter of the exhaust tubing, this mid-section kit promotes a more responsive throttle and a richer exhaust sound. The design helps eliminate uneven exhaust flow, resulting in a smoother, more balanced tone that enhances the driving experience without sacrificing reliability.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\n\u003cp\u003eDesigned as a direct bolt-on replacement, this mid-section kit is compatible with 2018–2023 BMW M550i xDrive models. Basic mechanical skills and standard tools are recommended for installation, which can typically be completed in a few hours.\u003c\/p\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":52646099190047,"sku":"D660-0080","price":1599.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0229\/3877\/files\/4cb151775e60e7cd3e479014fa96a6acL.jpg?v=1782778001","url":"https:\/\/shop.wheelflip.com\/products\/dinan-18-23-bmw-m550i-xdrive-stainless-steel-3in-high-flow-middle-exhaust","provider":"WheelFlip","version":"1.0","type":"link"}