{"product_id":"mad-b58-gen3-fat-boy-5inch-catless-downpipe","title":"MAD B58 Gen 3 Fat Boy 5\" Catless Downpipe (2025+)","description":"This Gen‑3 Fat Boy downpipe features a massive 5‑inch diameter for improved exhaust gas velocity and a deeper, more aggressive exhaust tone. Made from premium 304 stainless steel, it is a direct bolt-on upgrade that delivers increased horsepower and torque and fits 2025+ BMW M340\/M440 and the forthcoming X3 G45 and X4 G46 models","brand":"MAD","offers":[{"title":"Default","offer_id":45809463001285,"sku":"MAD-127","price":279.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0765\/9841\/1461\/files\/WhatsApp_Image_2025-05-16_at_11.07.45_0a98b8c7__58904.1749140231.386.513.jpg?v=1770945313","url":"https:\/\/bmdperformance.com\/products\/mad-b58-gen3-fat-boy-5inch-catless-downpipe","provider":"My Store","version":"1.0","type":"link"}