{"product_id":"bmw-m3-m4-g8x-catless-downpipe-with-heat-shield","title":"BMW S58 G8X\/F9X Catless Downpipe With Heat Shield","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  }\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\" data-product-accordion\u003e\n\n  \u003c!-- DESCRIPTION --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton type=\"button\" class=\"accordion-header\" data-accordion-toggle\u003eDescription\u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n\n        \u003cp\u003e\u003cstrong\u003eBMW S58 G8X \/ F9X Catless Downpipe with Heat Shield\u003c\/strong\u003e\u003c\/p\u003e\n\n        \u003cp\u003e\n          Unlock the full performance potential of your BMW with the \u003cstrong\u003eCatless Downpipe with Heat Shield\u003c\/strong\u003e, designed for S58-powered G8X M3\/M4 and F9X M5\/M8 models. This upgrade significantly improves exhaust flow, resulting in increased power, faster turbo spool, and a more aggressive exhaust note.\n        \u003c\/p\u003e\n\n        \u003cp\u003e\n          The \u003cstrong\u003ecatless design\u003c\/strong\u003e removes the restrictive factory catalytic converters, allowing exhaust gases to exit more freely. This leads to improved throttle response, enhanced turbo efficiency, and a louder, more raw sound profile that fully brings out the character of the S58 engine.\n        \u003c\/p\u003e\n\n        \u003cp\u003e\n          Equipped with an integrated \u003cstrong\u003eheat shield\u003c\/strong\u003e, this downpipe helps manage engine bay temperatures by reducing heat transfer to surrounding components. This improves reliability and protects nearby parts under high-performance driving conditions.\n        \u003c\/p\u003e\n\n        \u003cp\u003e\n          Manufactured from high-quality, heat-resistant materials, the downpipe is built for durability and designed for OEM-style fitment, ensuring seamless integration with the factory or aftermarket exhaust system.\n        \u003c\/p\u003e\n\n        \u003cul\u003e\n          \u003cli\u003eCatless downpipe for S58 G8X \/ F9X models\u003c\/li\u003e\n          \u003cli\u003eIncreased exhaust flow and performance gains\u003c\/li\u003e\n          \u003cli\u003eFaster turbo spool and improved throttle response\u003c\/li\u003e\n          \u003cli\u003eLouder, more aggressive exhaust tone\u003c\/li\u003e\n          \u003cli\u003eIntegrated heat shield for temperature management\u003c\/li\u003e\n          \u003cli\u003eHigh-quality, heat-resistant construction\u003c\/li\u003e\n          \u003cli\u003eOEM-style fit and seamless integration\u003c\/li\u003e\n        \u003c\/ul\u003e\n\n        \u003cp\u003e\n          \u003cstrong\u003eKavoni Design Quality\u003c\/strong\u003e\u003cbr\u003e\n          At Kavoni Design, we select performance upgrades that combine engineering precision with maximum driving impact. This S58 catless downpipe delivers a powerful performance and sound transformation, perfectly suited to BMW’s high-performance M platform.\n        \u003c\/p\u003e\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 type=\"button\" class=\"accordion-header\" data-accordion-toggle\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\n  \u003c!-- WARRANTY --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton type=\"button\" class=\"accordion-header\" data-accordion-toggle\u003eWarranty\u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        This product includes a \u003cstrong\u003e12-month warranty\u003c\/strong\u003e covering manufacturing defects under normal use. Damage caused by improper installation, road debris, or accidents is not covered.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- DISCLAIMER --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton type=\"button\" class=\"accordion-header\" data-accordion-toggle\u003eDisclaimer\u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        This is an aftermarket performance exhaust component intended for off-road or motorsport use where applicable. Professional installation is strongly recommended to ensure proper fitment and function. Kavoni Design is not responsible for damage caused during installation or improper use.\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003cscript\u003e\n(function () {\n  const root = document.querySelector('[data-product-accordion]');\n  if (!root) return;\n\n  const items = root.querySelectorAll('.accordion-item');\n\n  function closeItem(item) {\n    item.classList.remove('active');\n    const content = item.querySelector('.accordion-content');\n    if (content) content.style.maxHeight = null;\n  }\n\n  function openItem(item) {\n    item.classList.add('active');\n    const content = item.querySelector('.accordion-content');\n    if (content) content.style.maxHeight = content.scrollHeight + 'px';\n  }\n\n  root.querySelectorAll('[data-accordion-toggle]').forEach((btn) =\u003e {\n    btn.addEventListener('click', function () {\n      const item = this.closest('.accordion-item');\n      const isActive = item.classList.contains('active');\n\n      items.forEach((i) =\u003e {\n        if (i !== item) closeItem(i);\n      });\n\n      if (isActive) {\n        closeItem(item);\n      } else {\n        openItem(item);\n      }\n    });\n  });\n\n  window.addEventListener('resize', function () {\n    const active = root.querySelector('.accordion-item.active .accordion-content');\n    if (active) active.style.maxHeight = active.scrollHeight + 'px';\n  });\n})();\n\u003c\/script\u003e","brand":"kavonidesign","offers":[{"title":"Default Title","offer_id":57048745574783,"sku":null,"price":674.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/9013\/5679\/files\/H6a5f63334e6b4c4bbd284da602e8c49eR.jpg_350x350_3b59807e-2d91-4a5b-b34d-65d4c7efda59.jpg?v=1774813652","url":"https:\/\/kavonidesign.com\/products\/bmw-m3-m4-g8x-catless-downpipe-with-heat-shield","provider":"kavonidesign","version":"1.0","type":"link"}