{"product_id":"dinan-17-23-bmw-540i-freeflow-axleback-exhaust-system-black","title":"Dinan Free Flow Axle-Back Exhaust System (Black) - 2017-2023 BMW 540i","description":"\u003cp\u003eThe Dinan axle-back exhaust changes the sound and rear appearance of 2017-2023 BMW 540i. This version supplies black-finished exhaust tips.\u003c\/p\u003e\u003cp\u003eThe revised muffler and tubing are developed for a more pronounced exhaust tone. A Helmholtz chamber addresses a targeted resonance range; the original computer-controlled exhaust valve is removed in this configuration.\u003c\/p\u003e\u003ch3\u003eTechnical details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFactory exhaust valve: eliminated by this system.\u003c\/li\u003e\n\u003cli\u003eConstruction: T304 Stainless Steel.\u003c\/li\u003e\n\u003cli\u003eTip finish: black.\u003c\/li\u003e\n\u003cli\u003eListed vehicle application: 2017-2023 BMW 540i.\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: D660-0078-BLK.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment and installation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConfirm body style, drivetrain and the original rear-valance configuration. Review the installation procedure for cutting, joining and valve-transfer requirements.\u003c\/li\u003e\n\u003cli\u003eA stronger exhaust note does not mean zero cabin resonance; other modifications can change the sound substantially.\u003c\/li\u003e\n\u003cli\u003eNot compatible with the BMW M Performance rear diffuser.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Dinan","offers":[{"title":"Default Title","offer_id":49292296323322,"sku":"DNND660-0078-BLK","price":2049.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/f23a8712db934aa63a835c4af8202b9bL.jpg?v=1783033521","url":"https:\/\/lgcracing.com\/products\/dinan-17-23-bmw-540i-freeflow-axleback-exhaust-system-black","provider":"Legacy Racing","version":"1.0","type":"link"}