{"product_id":"bmw-downpipe-b58","title":"B58 4.5\" CATLESS DOWNPIPEFOR 2016 - 2023 B58 BMW M140\/M240I\/340I\/440I\/540I\/740I\/840I \u0026 XDRIVE","description":"\u003cstyle\u003e\n  .product-accordion {\n    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;\n    max-width: 100%;\n    border-top: 1px solid #e5e5e5;\n    margin-top: 20px;\n    text-align: left;\n  }\n\n  .accordion-item {\n    border-bottom: 1px solid #e5e5e5;\n  }\n\n  .accordion-header {\n    background: #fff;\n    color: #000;\n    cursor: pointer;\n    padding: 18px 0;\n    width: 100%;\n    border: none;\n    text-align: left;\n    font-size: 13px;\n    font-weight: bold;\n    letter-spacing: 1.5px;\n    text-transform: uppercase;\n    display: flex;\n    justify-content: space-between;\n    align-items: center;\n    outline: none;\n  }\n\n  .accordion-header:after {\n    content: '+';\n    font-size: 18px;\n    color: #000;\n  }\n\n  .accordion-item.active .accordion-header:after {\n    content: '-';\n  }\n\n  .accordion-content {\n    max-height: 0;\n    overflow: hidden;\n    transition: max-height 0.3s ease-out;\n  }\n\n  .accordion-content-inner {\n    padding: 0 0 25px 0;\n    font-size: 14px;\n    line-height: 1.6;\n    color: #333;\n    text-align: left;\n  }\n\n  .accordion-content-inner ul {\n    margin: 10px 0;\n    padding-left: 20px;\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"product-accordion\"\u003e\n\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\" onclick=\"toggleAccordion(this)\"\u003eDescription\u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n\n        \u003cstrong\u003eB58 4.5″ Catless Downpipe\u003c\/strong\u003e\u003cbr\u003e\n        BMW B58 (2016–2023)\n        \u003cbr\u003e\u003cbr\u003e\n\n        Unlock maximum performance and sound from your BMW with the B58 4.5″ Catless Downpipe, engineered for high-output B58 engines. Designed to significantly improve exhaust flow, this downpipe reduces backpressure and allows the turbocharger to spool faster, resulting in sharper throttle response and increased power potential.\n        \u003cbr\u003e\u003cbr\u003e\n\n        The large 4.5-inch diameter construction is ideal for tuned and high-performance setups, delivering a more aggressive exhaust note while supporting higher boost levels. By removing the restrictive factory catalytic converter, this downpipe maximizes efficiency and performance across the entire rev range.\n        \u003cbr\u003e\u003cbr\u003e\n\n        Manufactured from high-grade materials and precision-formed for a clean, performance-focused fit, this catless downpipe is a key upgrade for enthusiasts seeking uncompromised power and sound from their B58 platform.\n        \u003cbr\u003e\u003cbr\u003e\n\n        \u003cstrong\u003eKey Features\u003c\/strong\u003e\n        \u003cul\u003e\n          \u003cli\u003e4.5″ large-diameter catless downpipe design\u003c\/li\u003e\n          \u003cli\u003eMaximizes exhaust flow and turbo efficiency\u003c\/li\u003e\n          \u003cli\u003eFaster turbo spool and improved throttle response\u003c\/li\u003e\n          \u003cli\u003eIncreased power potential for tuned setups\u003c\/li\u003e\n          \u003cli\u003eHigh-quality construction with performance-focused design\u003c\/li\u003e\n          \u003cli\u003eAggressive exhaust sound\u003c\/li\u003e\n        \u003c\/ul\u003e\n\n        \u003cstrong\u003eKavoni Design Quality\u003c\/strong\u003e\u003cbr\u003e\n        At Kavoni Design, we select performance components that deliver real results. This B58 4.5″ catless downpipe meets our standards for quality, performance, and durability, offering a no-compromise upgrade for serious B58 builds.\n\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- SHIPPING --\u003e\n\u003cdiv class=\"accordion-item\"\u003e\n  \u003cbutton class=\"accordion-header\" type=\"button\" onclick=\"toggleAccordion(this)\"\u003eShipping \u0026amp; Returns\u003c\/button\u003e\n  \u003cdiv class=\"accordion-content\"\u003e\n    \u003cdiv class=\"accordion-content-inner\"\u003e\n      This product is made to order. Please allow \u003cstrong\u003e12–14 business days\u003c\/strong\u003e for production.\n      \u003cbr\u003e\u003cbr\u003e\n      Orders are shipped worldwide after production is completed.\n      \u003cul\u003e\n        \u003cli\u003e\u003cstrong\u003eWorldwide shipping: 6–8 business days\u003c\/strong\u003e\u003c\/li\u003e\n      \u003c\/ul\u003e\n      Returns are accepted within \u003cstrong\u003e14 days of delivery\u003c\/strong\u003e for unused items in original condition. Return shipping costs are the responsibility of the customer.\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\" onclick=\"toggleAccordion(this)\"\u003eFitment\u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        Not sure if this downpipe is compatible with your specific BMW B58 setup? Contact our sales team and we will be happy to assist you in selecting the correct configuration.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\" onclick=\"toggleAccordion(this)\"\u003eWarranty\u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        Every product from \u003cstrong\u003eKavoni Design\u003c\/strong\u003e comes with a \u003cstrong\u003e12-month warranty\u003c\/strong\u003e. This warranty covers manufacturing defects under normal use. Damage caused by improper installation, excessive heat, or racing use is not covered.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\" onclick=\"toggleAccordion(this)\"\u003eDisclaimer\u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        This product is an aftermarket performance component and is not road legal in all regions. Professional installation and ECU tuning may be required. \u003cstrong\u003eKavoni Design\u003c\/strong\u003e is not responsible for damages incurred during or after installation.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\n  function toggleAccordion(element) {\n    const item = element.parentElement;\n    const content = element.nextElementSibling;\n\n    const allItems = document.querySelectorAll('.accordion-item');\n    allItems.forEach(i =\u003e {\n      if (i !== item) {\n        i.classList.remove('active');\n        i.querySelector('.accordion-content').style.maxHeight = null;\n      }\n    });\n\n    item.classList.toggle('active');\n    if (item.classList.contains('active')) {\n      content.style.maxHeight = content.scrollHeight + \"px\";\n    } else {\n      content.style.maxHeight = null;\n    }\n  }\n\u003c\/script\u003e","brand":"kavonidesign","offers":[{"title":"Default Title","offer_id":56556950225279,"sku":null,"price":399.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/9013\/5679\/files\/2F1A8626-A3FE-4324-B552-DE0DF44344A2.jpg?v=1772618862","url":"https:\/\/kavonidesign.com\/products\/bmw-downpipe-b58","provider":"kavonidesign","version":"1.0","type":"link"}