{"product_id":"mad-bmw-b58-2025-gen-3-m340-fat-boy-5-0-downpipe-catless","title":"MAD BMW B58 2025+ Gen 3 M340 Fat Boy 5.0\" Downpipe Catless","description":"\u003cp data-start=\"26\" data-end=\"399\"\u003eUpgrade your 2025+ BMW M340 with the MAD BMW B58 Gen 3 \"Fat Boy\" 5.0\" Catless Downpipe—the ultimate performance upgrade designed to unleash the full potential of your engine. Crafted from premium-quality 304 stainless steel, this larger-diameter 5.0-inch downpipe offers superior airflow, delivering enhanced horsepower, quicker turbo response, and noticeable torque gains.\u003c\/p\u003e\n\u003cp data-start=\"401\" data-end=\"732\"\u003eThe increased diameter of the \"Fat Boy\" downpipe sets it apart from our standard catless models by providing a deeper, richer, and significantly more aggressive exhaust tone. Precision-engineered welds and exceptional craftsmanship ensure perfect fitment, durability, and peak performance for enthusiasts demanding maximum results.\u003c\/p\u003e\n\u003cp data-start=\"734\" data-end=\"919\"\u003eTransform your BMW M340's driving experience by choosing MAD's top-tier downpipe, designed specifically for drivers seeking ultimate airflow and a sound profile that commands attention.\u003c\/p\u003e\n\u003cp data-start=\"921\" data-end=\"934\"\u003e\u003cstrong data-start=\"921\" data-end=\"934\"\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"936\" data-end=\"1309\"\u003e\n\u003cli data-start=\"936\" data-end=\"989\"\u003e\n\u003cp data-start=\"938\" data-end=\"989\"\u003ePremium 304 stainless steel for superior durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"990\" data-end=\"1056\"\u003e\n\u003cp data-start=\"992\" data-end=\"1056\"\u003eExpanded 5.0-inch diameter for unmatched airflow and performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1057\" data-end=\"1107\"\u003e\n\u003cp data-start=\"1059\" data-end=\"1107\"\u003eDeeper, richer, and more aggressive exhaust tone\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1108\" data-end=\"1179\"\u003e\n\u003cp data-start=\"1110\" data-end=\"1179\"\u003eImproved horsepower and torque compared to standard catless downpipes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1180\" data-end=\"1233\"\u003e\n\u003cp data-start=\"1182\" data-end=\"1233\"\u003ePrecision craftsmanship and perfect bolt-on fitment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1234\" data-end=\"1309\"\u003e\n\u003cp data-start=\"1236\" data-end=\"1309\"\u003eIdeal for high-performance builds and enthusiasts seeking maximum results\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MAD US","offers":[{"title":"Default Title","offer_id":51089272209572,"sku":"MAD-127","price":407.34,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0013\/9929\/1964\/files\/WhatsApp_Image_2025-05-16_at_11.07.45_0a98b8c7__58904.jpg?v=1754072261","url":"https:\/\/www.amtuning.ca\/products\/mad-bmw-b58-2025-gen-3-m340-fat-boy-5-0-downpipe-catless","provider":"AM Tuning Canada","version":"1.0","type":"link"}