{"product_id":"cat-back-exhaust-bmw-4-series-420d-f32-f33-f36-2013-2020","title":"Cat Back Exhaust BMW 4 Series 420d F32 F33 F36 2013-2020","description":"Cat Back Exhaust BMW 4 Series 420d F32 F33 F36 installed and refined by DKU Performance, delivering a noticeable improvement in both sound and rear end styling while maintaining daily drivability.\n\nThis BMW 4 Series Exhaust System upgrade uses high quality 304L stainless steel for long term durability, and we resolved the restrictive factory setup to improve exhaust flow and tone. The BMW 4 Series Exhaust now produces a deeper, more purposeful sound without unwanted drone, giving the 420d a clean and refined BMW 4 Series Exhaust Upgrade that enhances presence on the road.","brand":"BMW","offers":[{"title":"Default Title","offer_id":55246766702934,"sku":null,"price":1229.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0937\/5829\/2310\/files\/98_Newcs.png?v=1788803054","url":"https:\/\/dkuperformance.co.uk\/products\/cat-back-exhaust-bmw-4-series-420d-f32-f33-f36-2013-2020","provider":"DKU Performance","version":"1.0","type":"link"}