{"product_id":"custom-dual-z-pipe-valved-catback-exhaust-f97-f98-x3m-x4m","title":"Custom dual Z-pipe valved catback exhaust F97\/F98 X3M X4M","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  }\n\n  .accordion-header::after {\n    content: '+';\n    font-size: 18px;\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;\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\"\u003e\n\n  \u003c!-- DESCRIPTION --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\" type=\"button\" onclick=\"toggleAccordion(this)\"\u003eDescription\u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n\n        \u003cp\u003e\u003cstrong\u003eCustom Dual Z-Pipe Catback Exhaust\u003c\/strong\u003e\u003c\/p\u003e\n        \u003cp\u003e\u003cstrong\u003eBMW F97 X3M \/ F98 X4M\u003c\/strong\u003e\u003c\/p\u003e\n\n        \u003cp\u003e\n          Unlock the full sound potential of your BMW with the \u003cstrong\u003eCustom Dual Z-Pipe Catback Exhaust System\u003c\/strong\u003e, engineered for the F97 X3M and F98 X4M equipped with the S58 engine. This system is designed to deliver a deeper, more refined and motorsport-inspired exhaust tone while improving overall exhaust flow.\n        \u003c\/p\u003e\n\n        \u003cp\u003e\n          The \u003cstrong\u003edual Z-pipe configuration\u003c\/strong\u003e optimises exhaust gas balance and reduces turbulence, resulting in a smoother and more linear sound profile across the entire rev range. This design helps eliminate harsh frequencies while producing a fuller, cleaner and more exotic tone under acceleration.\n        \u003c\/p\u003e\n\n        \u003cp\u003e\n          As a full \u003cstrong\u003ecatback system\u003c\/strong\u003e, it replaces the exhaust from the midpipe back, enhancing exhaust efficiency and amplifying the natural character of the S58 engine. The result is a bold and aggressive sound when pushed, with controlled refinement during cruising.\n        \u003c\/p\u003e\n\n        \u003cp\u003e\n          Manufactured from high-quality, heat-resistant materials, this system ensures durability and long-term performance. Designed for OEM-style fitment, it integrates seamlessly with factory mounting points for a clean and precise installation.\n        \u003c\/p\u003e\n\n        \u003cul\u003e\n          \u003cli\u003eCustom dual Z-pipe catback exhaust system\u003c\/li\u003e\n          \u003cli\u003eSmoother, more refined exhaust tone\u003c\/li\u003e\n          \u003cli\u003eReduces turbulence and harsh frequencies\u003c\/li\u003e\n          \u003cli\u003eFuller, deeper and more aggressive sound\u003c\/li\u003e\n          \u003cli\u003eImproves exhaust flow and performance dynamics\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 precision engineering with driving emotion. This dual Z-pipe catback exhaust delivers a refined yet aggressive transformation, perfectly suited to the BMW X3M and X4M platform.\n        \u003c\/p\u003e\n\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- SHIPPING (EXHAUST VERSION) --\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        \n        Each product is carefully prepared and quality-checked prior to dispatch to ensure optimal fitment and finish.\n        \u003cbr\u003e\u003cbr\u003e\n\n        Orders are processed within \u003cstrong\u003e1–2 business days\u003c\/strong\u003e.\n        \u003cbr\u003e\u003cbr\u003e\n\n        \u003cstrong\u003eEstimated delivery time: 15–21 business days\u003c\/strong\u003e\n        \u003cbr\u003e\u003cbr\u003e\n\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\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FITMENT --\u003e\n  \u003cdiv class=\"accordion-item\"\u003e\n    \u003cbutton class=\"accordion-header\" type=\"button\" onclick=\"toggleAccordion(this)\"\u003eFitment\u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        \u003cstrong\u003eBMW X3M F97\u003c\/strong\u003e\u003cbr\u003e\n        \u003cstrong\u003eBMW X4M F98\u003c\/strong\u003e\n        \u003cbr\u003e\u003cbr\u003e\n        Engine: \u003cstrong\u003eS58\u003c\/strong\u003e\n        \u003cbr\u003e\u003cbr\u003e\n        Designed for OEM exhaust mounting points and compatible with factory or aftermarket setups.\n        \u003cbr\u003e\u003cbr\u003e\n        Professional installation is recommended. If you are unsure about compatibility, please contact our team before ordering.\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 class=\"accordion-header\" type=\"button\" onclick=\"toggleAccordion(this)\"\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 misuse 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 class=\"accordion-header\" type=\"button\" onclick=\"toggleAccordion(this)\"\u003eDisclaimer\u003c\/button\u003e\n    \u003cdiv class=\"accordion-content\"\u003e\n      \u003cdiv class=\"accordion-content-inner\"\u003e\n        This is an aftermarket exhaust component. Professional installation is strongly recommended to ensure optimal fitment and sound. Kavoni Design is not responsible for any 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 toggleAccordion(element) {\n    const item = element.parentElement;\n    const content = element.nextElementSibling;\n\n    document.querySelectorAll('.accordion-item').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\n    content.style.maxHeight = item.classList.contains('active')\n      ? content.scrollHeight + \"px\"\n      : null;\n  }\n\u003c\/script\u003e","brand":"kavonidesign","offers":[{"title":"Carbon M","offer_id":57382652543359,"sku":null,"price":2449.95,"currency_code":"EUR","in_stock":true},{"title":"Carbon Kavoni","offer_id":57382652576127,"sku":null,"price":2449.95,"currency_code":"EUR","in_stock":true},{"title":"Stainless Steel Kavoni","offer_id":57382652608895,"sku":null,"price":2449.95,"currency_code":"EUR","in_stock":true},{"title":"Burned Kavoni","offer_id":57382652641663,"sku":null,"price":2449.95,"currency_code":"EUR","in_stock":true},{"title":"Stainless Steel Black Kavoni","offer_id":57382652674431,"sku":null,"price":2449.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/9013\/5679\/files\/H89a8fa9282c54d0987b17caddc5fe44e3_1.jpg?v=1776683557","url":"https:\/\/kavonidesign.com\/products\/custom-dual-z-pipe-valved-catback-exhaust-f97-f98-x3m-x4m","provider":"kavonidesign","version":"1.0","type":"link"}