{"product_id":"cat-back-exhaust-bmw-4-series-420d","title":"Cat Back Exhaust BMW 4 Series 420d","description":"Cat Back Exhaust BMW 4 Series 420d expertly supplied and fitted by DKU Performance, transforming both sound and visual presence while retaining everyday drivability. This BMW 4 Series Exhaust System in high grade 304L stainless steel was installed as a direct replacement, improving flow and delivering a deeper, more refined tone without unwanted drone.\n\nThe upgrade resolved the restrictive factory setup, enhancing throttle response and overall efficiency while giving the vehicle a cleaner rear aesthetic. With tailored configuration options, this BMW 4 Series Exhaust Upgrade allows precise control over volume and character, resulting in a sharper and more engaging BMW 4 Series Exhaust experience.","brand":"BMW","offers":[{"title":"Default Title","offer_id":55246788362582,"sku":null,"price":549.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0937\/5829\/2310\/files\/159_Newcs.png?v=1788803350","url":"https:\/\/dkuperformance.co.uk\/products\/cat-back-exhaust-bmw-4-series-420d","provider":"DKU Performance","version":"1.0","type":"link"}