{"product_id":"mad-bmw-g90-m5-axle-back","title":"MAD BMW G90\/G99 M5 Axle-Back Exhaust","description":"\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" tabindex=\"-1\" data-turn-id=\"request-WEB:271a2540-b1b6-40df-95d8-ddc7d305d684-5\" data-testid=\"conversation-turn-12\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] thread-sm:[--thread-content-margin:--spacing(6)] thread-lg:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] thread-lg:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"821e65a6-e21d-433f-8c2b-25f5a789c076\" data-message-model-slug=\"gpt-5\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e\n\u003ch1 data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"heading\" data-prosemirror-node-block=\"true\" data-pm-slice=\"0 0 []\"\u003eMAD BMW G90 \/ G99 M5 Axle-Back\u003c\/h1\u003e\n\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003eThe MAD axle-back is the perfect finishing touch for your G90 M5 especially when paired with the MAD 5-inch single midpipe for maximum sound. Choose from brushed, black, or carbon tips to match your desired look.\u003c\/p\u003e\n\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003eUnlike the \u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eNorth American G90\/G99\u003c\/strong\u003e, where the factory exhaust does \u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003enot come valved and offers no way to control exhaust volume\u003c\/strong\u003e, the MAD axle-back gives you full control. This system is fully valved and includes \u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003etwo valve motors and a controller\u003c\/strong\u003e, allowing you to switch between a quiet, refined tone and a loud, aggressive sound on demand.\u003c\/p\u003e\n\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003eFeaturing larger-diameter piping for improved flow and a smaller muffler design to reduce weight, this setup delivers \u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003ebetter throttle response, increased sound, and a cleaner overall tone\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003eDeep, aggressive, and fully controllable this is the sound the G90 M5 should have had from day one.\u003c\/p\u003e\n\u003chr data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"rule\" data-prosemirror-node-block=\"true\"\u003e\n\u003ch2 data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"heading\" data-prosemirror-node-block=\"true\"\u003eFeatures\u003c\/h2\u003e\n\u003cul class=\"ak-ul\" data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"bulletList\" data-prosemirror-node-block=\"true\"\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\n\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003eLarger-diameter piping for increased flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\n\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003eIncludes two valve motors and valve controller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\n\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003e304 stainless steel construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\n\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003eLifetime warranty\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\"\u003e\n\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003eCompatible with stock midpipe or MAD 5-inch midpipe\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eNote:\u003c\/strong\u003e Cutting is required when connecting to the factory midpipe.\u003cbr data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"hardBreak\" data-prosemirror-node-inline=\"true\"\u003e\u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003eRecommendation:\u003c\/strong\u003e We highly recommend pairing this axle back with the MAD \u003cstrong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\"\u003esingle midpipe\u003c\/strong\u003e for the best overall sound and performance.\u003c\/p\u003e\n\u003chr data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"rule\" data-prosemirror-node-block=\"true\"\u003e\n\u003ch2 data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"heading\" data-prosemirror-node-block=\"true\"\u003eFitment\u003c\/h2\u003e\n\u003cp data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"\u003eBMW G90 M5\u003cbr data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"hardBreak\" data-prosemirror-node-inline=\"true\"\u003eBMW G99 M5\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e","brand":"MAD","offers":[{"title":"Brushed","offer_id":48859642527976,"sku":"MAD-138 + MAD-139-BR","price":1349.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":48859642560744,"sku":"MAD-138 + MAD-139-BL","price":1399.0,"currency_code":"USD","in_stock":true},{"title":"Carbon","offer_id":48859642593512,"sku":"MAD-138 + MAD-139-CA","price":1399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/4133\/0408\/files\/WhatsApp_Image_2025-09-04_at_14.33.03_d94014a7__35499.1763401787.jpg?v=1786061859","url":"https:\/\/europeanperformancemarket.com\/products\/mad-bmw-g90-m5-axle-back","provider":"EPM","version":"1.0","type":"link"}