{"product_id":"arrow-71729mi-raccordo-centrale-racing-inox-bmw-f-900-r-xr","title":"Arrow 71729MI Stainless Steel Racing Mid-Pipe – BMW F 900 R \/ XR (2020-2024)","description":"\u003cdiv style=\"font-family:'Segoe UI',Arial,sans-serif;max-width:900px;margin:0 auto;color:#222;line-height:1.7;\"\u003e\n\n\n\u003cdiv style=\"background:#fff3cd;border-left:4px solid #dc3545;padding:14px;margin:0 0 20px 0;border-radius:4px;\"\u003e\n\n\u003cstrong\u003e⚠️ RACING component – not street legal.\u003c\/strong\u003e\u003cbr\u003e\nOn the official Arrow website, the 71729MI bears the \u003cstrong\u003eRacing\u003c\/strong\u003e badge, which, according to the manufacturer's legend, means: \u003cem\u003edoes not comply with any regulations, not approved for road use, only to be used on closed circuits\u003c\/em\u003e. By installing it, the exhaust system \u003cstrong\u003ecan no longer be used on public roads\u003c\/strong\u003e, even if the paired Arrow silencer is ECE approved.\u003c\/div\u003e\n\n\n\u003cp style=\"font-size:16px;\"\u003eThe \u003cstrong\u003eArrow 71729MI\u003c\/strong\u003e is the \u003cstrong\u003emid-pipe\u003c\/strong\u003e from the Arrow exhaust line for \u003cstrong\u003eBMW F 900 R, F 900 R A2, F 900 XR and F 900 XR A2 from 2020 to 2024\u003c\/strong\u003e (Euro 5, vehicle type \u003cstrong\u003e4R90 · 4R90R\u003c\/strong\u003e). It is the pipe that connects the headers to the silencer: it \u003cstrong\u003efits both the original BMW headers and the Arrow 71730MI racing headers\u003c\/strong\u003e. Part number 71729MI, EAN 8019799108615, weight 1.12 kg.\u003c\/p\u003e\n\n\n\u003ch3 style=\"color:#1a1a1a;border-bottom:2px solid #e63946;padding-bottom:6px;\"\u003e✓ Strengths\u003c\/h3\u003e\n\n\u003cul style=\"font-size:15px;\"\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eAlso fits original BMW headers\u003c\/strong\u003e – the Arrow mounting diagram explicitly states this: there's no need to change the headers as well.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eIt is the mid-pipe designed for all six Arrow silencers\u003c\/strong\u003e for the F 900 R \/ XR 2020-2024, both Indy Race and Pro-Race.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eStainless steel\u003c\/strong\u003e – corrosion and high-temperature resistance.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eNo lambda sensor bung and no db-killer\u003c\/strong\u003e – it is a free-flowing mid-pipe, designed for racing configuration.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e1.12 kg\u003c\/strong\u003e – weight declared by Arrow.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eAlso covers A2 versions\u003c\/strong\u003e – F 900 R A2 and F 900 XR A2.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003ch3 style=\"color:#1a1a1a;border-bottom:2px solid #e63946;padding-bottom:6px;\"\u003eTechnical features\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eArrow Special Parts\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCode\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e71729MI\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eOfficial name\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eMid-pipe\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eHomologation\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\n\n\u003cstrong\u003eRacing – not street legal\u003c\/strong\u003e (closed circuit only)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eStainless steel\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eLambda sensor bung\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCO sensor bung\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003edb-killer\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e1.12 kg\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eVehicle type\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e4R90 · 4R90R (Euro 5)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eEAN code\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e8019799108615\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003ePackage contents\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e1 mid-pipe\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/table\u003e\n\n\u003cp style=\"font-size:13px;color:#666;\"\u003eArrow does not publish body length, inlet diameter, and outlet diameter for this code: the three fields in the official data sheet are zero, so we do not report them.\u003c\/p\u003e\n\n\n\u003cdiv style=\"background:#fff3cd;border-left:4px solid #ffc107;padding:14px;margin:20px 0;border-radius:4px;\"\u003e\n\n\u003cstrong\u003e⚠️ Important notes:\u003c\/strong\u003e\u003cbr\u003e\n• The mid-pipe \u003cstrong\u003edoes not have a lambda sensor bung\u003c\/strong\u003e: the motorcycle's ECU may signal an anomaly. This is a normal consequence of the racing configuration.\u003cbr\u003e\n• \u003cstrong\u003eFrom 2025, the F 900 R and F 900 XR are a different application\u003c\/strong\u003e (vehicle type MR90 \/ MR90R) with different Arrow codes: this mid-pipe is \u003cstrong\u003enot\u003c\/strong\u003e intended for those models.\u003cbr\u003e\n• Installation by qualified personnel is recommended.\u003c\/div\u003e\n\n\n\u003ch3 style=\"color:#1a1a1a;border-bottom:2px solid #e63946;padding-bottom:6px;\"\u003eVehicle compatibility\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n\n\u003ctr style=\"background:#e63946;color:#fff;\"\u003e\n\n\u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eModel\u003c\/th\u003e\n\n\u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eYears\u003c\/th\u003e\n\n\u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eVehicle type\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eBMW F 900 R \/ F 900 R A2\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2020-2024\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e4R90 · 4R90R\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eBMW F 900 XR \/ F 900 XR A2\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e2020-2024\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e4R90 · 4R90R\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/table\u003e\n\n\u003cp style=\"font-size:14px;color:#555;\"\u003eThe list is as declared by Arrow for code 71729MI. Always check your motorcycle's model and year before purchasing.\u003c\/p\u003e\n\n\n\u003ch3 style=\"color:#1a1a1a;border-bottom:2px solid #e63946;padding-bottom:6px;\"\u003eThe Arrow system for this motorcycle\u003c\/h3\u003e\n\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n\n\u003ctr style=\"background:#e63946;color:#fff;\"\u003e\n\n\u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003ePart\u003c\/th\u003e\n\n\u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eCodes\u003c\/th\u003e\n\n\u003cth style=\"padding:8px;border:1px solid #ddd;\"\u003eHomologation\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eRacing headers \u003cem\u003e(optional)\u003c\/em\u003e\n\n\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e71730MI\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e❌ Racing\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eMid-pipe – this item\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e\u003cstrong\u003e71729MI\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e❌ Racing\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003eIndy-Race silencer\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e71915PK · 71915AK · 71915AKN\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e✅ ECE\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr style=\"background:#f5f5f5;\"\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003ePro-Race silencer\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e71915PR · 71915PRI · 71915PRN\u003c\/td\u003e\n\n\u003ctd style=\"padding:8px;border:1px solid #ddd;\"\u003e✅ ECE\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/table\u003e\n\n\u003cp style=\"font-size:14px;color:#555;\"\u003eOn the Arrow diagram, the 71730MI headers are connected to the mid-pipe by a \u003cstrong\u003edashed arrow\u003c\/strong\u003e: they are optional, the 71729MI also works with the original headers. The silencers, however, are connected by a solid arrow.\u003c\/p\u003e\n\n\n\u003ch3 style=\"color:#1a1a1a;border-bottom:2px solid #e63946;padding-bottom:6px;\"\u003eWho it's perfect for\u003c\/h3\u003e\n\n\u003cp style=\"font-size:15px;\"\u003eThis is the part for those who install an Arrow silencer on the F 900 R or F 900 XR and want to free up the exhaust system on the track: the mid-pipe eliminates the original section between headers and silencer and allows the engine to breathe. Those who need to remain road legal, on the other hand, install the \u003cstrong\u003eArrow ECE approved silencer only\u003c\/strong\u003e on the original mid-pipe: the bike remains compliant, and the 71729MI is kept for track days.\u003c\/p\u003e\n\n\n\u003cdiv style=\"background:#f0f7f0;border-left:4px solid #28a745;padding:14px;margin:20px 0;border-radius:4px;\"\u003e\n\n\u003cstrong\u003e🛡️ Warranty and quality – Moon Bike S.r.l.\u003c\/strong\u003e\u003cbr\u003e\n\u003cstrong\u003eOriginal Arrow Special Parts\u003c\/strong\u003e product. Moon Bike S.r.l. is based in Cercola (NA), ships from Italy with invoice, manufacturer's warranty, and dedicated packaging.\u003c\/div\u003e\n\n\n\u003ch3 style=\"color:#1a1a1a;border-bottom:2px solid #e63946;padding-bottom:6px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003cp style=\"font-size:15px;\"\u003e\u003cstrong\u003eIs the 71729MI mid-pipe street legal?\u003c\/strong\u003e\u003cbr\u003e\nNo. On the official Arrow website, it bears the Racing badge: it does not comply with any regulations, is not approved for road use, and can only be used on closed circuits. By installing it, the exhaust system is no longer street legal, even if the paired silencer is ECE approved.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;\"\u003e\u003cstrong\u003eWhich BMW models does it fit?\u003c\/strong\u003e\u003cbr\u003e\nBMW F 900 R, F 900 R A2, F 900 XR and F 900 XR A2 from 2020 to 2024, vehicle types 4R90 and 4R90R. These are the applications for which Arrow indicates this code.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;\"\u003e\u003cstrong\u003eDoes it fit original headers?\u003c\/strong\u003e\u003cbr\u003e\nYes. The Arrow mounting diagram explicitly states this: the 71729MI mid-pipe fits both Arrow headers and original BMW headers. You are not obliged to buy racing headers as well.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;\"\u003e\u003cstrong\u003eWhich Arrow silencers is it compatible with?\u003c\/strong\u003e\u003cbr\u003e\nWith all six intended for this motorcycle: Indy-Race 71915PK, 71915AK and 71915AKN, and Pro-Race 71915PR, 71915PRI and 71915PRN. They are all ECE approved, but when combined with this mid-pipe, the system remains for racing use.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;\"\u003e\u003cstrong\u003eIs it suitable for the F 900 R or F 900 XR from 2025?\u003c\/strong\u003e\u003cbr\u003e\nNo. From 2025, Arrow treats the F 900 R and F 900 XR as a different application, with vehicle types MR90 and MR90R and their own codes. This mid-pipe only covers the years 2020-2024.\u003c\/p\u003e\n\n\u003cp style=\"font-size:15px;\"\u003e\u003cstrong\u003eWhat is the difference between the 71729MI mid-pipe and the 71730MI headers?\u003c\/strong\u003e\u003cbr\u003e\nThey are two different parts of the same system: the 71730MI headers replace the section attached to the engine head, while the 71729MI mid-pipe replaces the central pipe between the headers and the silencer. They can be installed together or separately – both are for racing.\u003c\/p\u003e\n\n\n\u003c\/div\u003e","brand":"Arrow","offers":[{"title":"Default Title","offer_id":57068603539804,"sku":"71729MI","price":209.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0966\/3660\/0668\/files\/arrow-71729mi-raccordo-centrale-vista-prodotto.png?v=1788527486","url":"https:\/\/www.moonbikesrl.it\/en-de\/products\/arrow-71729mi-raccordo-centrale-racing-inox-bmw-f-900-r-xr","provider":"Moon Bike S.r.l.","version":"1.0","type":"link"}