{"product_id":"king-racing®-18-bmw-m5-m8-f9x-s63b44-304ss-3-catless-exhaust-downpipe-set","title":"Kingman Speed® (18+) BMW M5\/M8 F9x S63B44 304SS 3\" Catless Exhaust Downpipe Set","description":"\u003ch1\u003eCOMPATIBLE: (4.4L - S63B44)\u003c\/h1\u003e\n\u003ch1\u003e2018 - 2023 BMW M5 F90\u003c\/h1\u003e\n\u003ch1\u003e2019 - 2026 BMW M8 F91\/F92\/F93\u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eThis exhaust downpipe set is engineered from premium 304 stainless steel with precise tig welding for durability and performance. Designed to match OE specifications, it features a 3\" pipe diameter. By eliminating the restrictive factory catalytic converters, this set can boost horsepower by over 30+ HP, offering a significant performance upgrade.\u003c\/h2\u003e","brand":"Kingman Speed®","offers":[{"title":"Default Title","offer_id":42098320670814,"sku":"KING-M8-DP-NC","price":599.29,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0030\/5315\/8515\/files\/Screenshot2025-10-13at3.49.38PM.png?v=1760395791","url":"https:\/\/10secondracing.com\/en-gb\/products\/king-racing%c2%ae-18-bmw-m5-m8-f9x-s63b44-304ss-3-catless-exhaust-downpipe-set","provider":"10 Second Racing","version":"1.0","type":"link"}