{"product_id":"mad-b58-gen3-5inch-200-cell-catted-downpipe","title":"MAD B58 Gen 3 5\" 200-Cell Catted Downpipe (2025+)","description":"For the 2025+ B58 Gen‑3 engines, this 5-inch downpipe includes a 200‑cell high‑flow catalytic converter that refines the exhaust tone while enhancing power. Constructed from 304 stainless steel with smooth 5-inch piping, it offers a deeper, more controlled sound and significant horsepower and torque gains while ensuring emissions compliance. It fits 2025+ BMW M340\/M440, X3 G45 M50 and X4 G46 M50 models","brand":"MAD","offers":[{"title":"Default","offer_id":45809463066821,"sku":"MAD-128","price":369.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0765\/9841\/1461\/files\/WhatsApp_Image_2025-05-16_at_11.10.08_d6cf4dd5__74847.1749140419.386.513.jpg?v=1770945324","url":"https:\/\/bmdperformance.com\/products\/mad-b58-gen3-5inch-200-cell-catted-downpipe","provider":"My Store","version":"1.0","type":"link"}