{"product_id":"milltek-sport-large-bore-downpipe-with-sports-cat-audi-b9-rs4rs5-ssxau820","title":"Milltek Sport Large Bore Downpipe with Sports Cat – Audi B9 RS4\/RS5 (2019 on)","description":"\u003ch6\u003eDescription\u003c\/h6\u003e\n\u003cp\u003eThe Milltek Sport large bore downpipe with sports cat for the Audi B9 RS4\/RS5 (2019 on) replaces the downpipe from the turbo outlet back to the rest of the exhaust. It is built from 2.76\" (70mm) T304 stainless steel pipework by Milltek Sport in Derbyshire, and comes with the clamps, gaskets and hangers it needs.\u003c\/p\u003e\n\u003ch3\u003eFrom Milltek Sport\u003c\/h3\u003e\u003cp\u003eMilltek Sport Large-Bore Downpipes are perfect when looking to improve both performance and sound. These downpipes are fabricated with a larger diameter than standard OEM parts, meaning that there is significantly more space for more gas to exit the engine and pass through, increasing efficiency.\u003c\/p\u003e\n\u003ch3\u003eChoosing your options\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eCatalyst:\u003c\/strong\u003e the 200-cell HJS sports cat is Milltek's quality metallic catalyst, best for keeping the engine light off. The 200-cell race cat flows more and costs less. Both are motorsport parts: see Road use below.\u003c\/li\u003e\u003c\/ul\u003e\n\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLH Decat Downpipe \u0026amp; GPF Bypass\u003c\/li\u003e\n\u003cli\u003eRH Decat Downpipe \u0026amp; GPF Bypass\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCheck before you order\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNeeds a Stage 2 ECU remap to run correctly.\u003c\/li\u003e\n\u003cli\u003eFor cars fitted with a petrol particulate filter (GPF\/OPF) from the factory.\u003c\/li\u003e\n\u003cli\u003ePick the \"Connects to\" option that matches the exhaust behind it: the standard (OE) one or a Milltek system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRoad use\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eMotorsport and off-road use only.\u003c\/strong\u003e This part is not EC approved. It changes or removes emissions equipment, so it is not legal on the public road and the car will fail an MOT emissions test. It also needs ECU calibration to run correctly.\u003c\/p\u003e\n\u003ch3\u003eLead time\u003c\/h3\u003e\u003cp\u003eMilltek Sport make every system in Derbyshire. The dispatch estimate next to the price is updated every morning from Milltek's live stock and build dates, and changes with the option you pick. If there is any delay on your order we will tell you within 24 hours.\u003c\/p\u003e\n\u003ch6\u003eProduct Details\u003c\/h6\u003e\n\u003cdiv\u003e\n\u003cb\u003eBrand: \u003c\/b\u003eMilltek Sport\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eSystem type: \u003c\/b\u003eDownpipe\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003ePipe bore: \u003c\/b\u003e2.76\" (70mm)\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eMaterial: \u003c\/b\u003eT304 stainless steel\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eEC approved: \u003c\/b\u003eNo\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eECU remap needed: \u003c\/b\u003eYes\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eFitting time: \u003c\/b\u003e3–3.5 hours (Milltek's figure, including removing the factory part)\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eShipping: \u003c\/b\u003e1 box, 100 × 40 × 30 cm, about 13 kg\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eMade in: \u003c\/b\u003eDerbyshire, United Kingdom\u003c\/div\u003e\n\u003ch6\u003eVehicle Fitment\u003c\/h6\u003e\u003ctable style=\"width:100%; border-collapse:collapse; font-size:14px;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003cth\u003ePower\u003c\/th\u003e\n\u003cth\u003eEngine code\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi\u003c\/td\u003e\n\u003ctd\u003eA4\u003c\/td\u003e\n\u003ctd\u003eRS4 TFSi quattro\u003c\/td\u003e\n\u003ctd\u003e450 hp\u003c\/td\u003e\n\u003ctd\u003eDECA\u003c\/td\u003e\n\u003ctd\u003e2017–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi\u003c\/td\u003e\n\u003ctd\u003eA4\u003c\/td\u003e\n\u003ctd\u003eRS4 TFSI quattro\u003c\/td\u003e\n\u003ctd\u003e471 hp\u003c\/td\u003e\n\u003ctd\u003eDECC\u003c\/td\u003e\n\u003ctd\u003e2024–2024\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi\u003c\/td\u003e\n\u003ctd\u003eA5\u003c\/td\u003e\n\u003ctd\u003eRS5 TFSI quattro\u003c\/td\u003e\n\u003ctd\u003e450 hp\u003c\/td\u003e\n\u003ctd\u003eDECA\u003c\/td\u003e\n\u003ctd\u003e2017–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi\u003c\/td\u003e\n\u003ctd\u003eA5\u003c\/td\u003e\n\u003ctd\u003eRS5 TFSI quattro\u003c\/td\u003e\n\u003ctd\u003e471 hp\u003c\/td\u003e\n\u003ctd\u003eDECC\u003c\/td\u003e\n\u003ctd\u003e2024–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi\u003c\/td\u003e\n\u003ctd\u003eA5\u003c\/td\u003e\n\u003ctd\u003eRS5 TFSI quattro\u003c\/td\u003e\n\u003ctd\u003e450 hp\u003c\/td\u003e\n\u003ctd\u003eDECA\u003c\/td\u003e\n\u003ctd\u003e2018–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudi\u003c\/td\u003e\n\u003ctd\u003eA5\u003c\/td\u003e\n\u003ctd\u003eRS5 TFSI quattro\u003c\/td\u003e\n\u003ctd\u003e471 hp\u003c\/td\u003e\n\u003ctd\u003eDECC\u003c\/td\u003e\n\u003ctd\u003e2024–2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eMilltek list this part for: RS4 \u0026gt; B9 2.9 V6 Turbo Avant (OPF\/GPF Models) \u0026gt; 2019 and Later; RS5 \u0026gt; B9 2.9 V6 Turbo Coupe (OPF\/GPF Models) \u0026gt; 2019 and Later; RS5 \u0026gt; B9 2.9 V6 Turbo Sportback (OPF\/GPF Models) \u0026gt; 2019 and Later.\u003c\/p\u003e\n\u003ch6\u003eInstallation Guide\u003c\/h6\u003e\u003cp\u003eWe recommend fitting by a garage or exhaust specialist. Milltek allow 3–3.5 hours including removing the factory part.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0511\/6700\/2795\/files\/milltek-fitting-ssxau820.pdf\" target=\"_blank\" rel=\"noopener\"\u003eMilltek fitting instructions (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"Milltek Sport","offers":[{"title":"No catalyst (de-cat)","offer_id":56538017300859,"sku":"MIL-SSXAU820","price":1857.31,"currency_code":"GBP","in_stock":true},{"title":"200-cell HJS sports cat","offer_id":56538017333627,"sku":"MIL-SSXAU819","price":3445.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0511\/6700\/2795\/files\/milltek-large-bore-downpipe-with-sports-cat-audi-01-65c54528.jpg?v=1792922638","url":"https:\/\/hazmotorsport.co.uk\/products\/milltek-sport-large-bore-downpipe-with-sports-cat-audi-b9-rs4rs5-ssxau820","provider":"HAZ MOTORSPORT","version":"1.0","type":"link"}