Arrow 71915PRN Pro-Race Dark Homologated Silencer – BMW F 900 R and F 900 XR 2020-2024
Codice: 71915PRN
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The Arrow 71915PRN exhaust silencer is the slip-on from the Pro-Race Steel Cap line in a "Dark" nichrom finish: black steel body, stainless steel rear end cap and silencer interior. It is developed for BMW F 900 R and F 900 XR 2020-2024, including A2 versions (Arrow vehicle type 4R90 · 4R90R). The official diagram bears the EURO5, ECE, and CARB marks: it is homologated for road use. Body length 250 mm, outlet 68 mm, db-killer included, declared weight 1.72 kg.
On the official Arrow mounting diagram for this application, the 71915PRN is in the PRO-RACE STEEL CAP — ECE HOMOL. block, and the diagram header bears the EURO5, ECE, and CARB marks. Among the Arrow components for this motorcycle, the silencers are homologated: the mid-pipe and headers are marked Racing.
The "Dark" refers to the silencer's body. The rear end cap with the exit cone and the front end with the connection remain in light stainless steel, as stated by Arrow in the specifications and visible in the photographs. This contrast characterizes this part number: if you are looking for an all-black finish without exposed metal parts, this is not the right silencer.
• The Arrow mounting diagram pairs the silencer with the 71729MI mid-pipe, which Arrow marks as Racing (sold separately, not included).
• The 71729MI mid-pipe can also be mounted on the original headers — official Arrow note on the diagram.
• The 71730MI racing headers can also be mounted with the original silencer — second official Arrow note, with a dashed arrow: they are an optional component.
• Only the silencer is included in the package: mid-pipe, headers, and standard components are not included.
✓ Strengths
- Black body, Pro-Race line — the tapered shape with the conical outlet of the Pro-Race range, in a dark finish
- Stainless steel end cap and interior — the two parts that work at higher temperatures are not painted
- EURO5 / ECE / CARB homologated — Arrow sound and look while remaining road legal and passing inspections
- 68 mm outlet — the same as the other two Pro-Race models, ten millimeters wider than the Indy Race
- Db-killer included — standard, not an accessory to buy separately
- Welded frame bracket — bracket integrated into the body, no collar to position by eye
- Valid for four models — F 900 R, F 900 R A2, F 900 XR, F 900 XR A2
Technical features
| Brand | Arrow Special Parts (Italy) |
| Part number | 71915PRN |
| EAN | 8019799108790 |
| Official Arrow designation | Pro-Race nichrom "Dark" silencer |
| Line | Pro-Race — Steel Cap |
| Type | Exhaust silencer (slip-on), single outlet |
| Body material | "Dark" steel |
| Rear end cap material | Stainless steel |
| Silencer interior material | Stainless steel |
| Frame mounting | Welded bracket |
| Body length | 250 mm |
| Inlet diameter | 49 mm |
| Outlet diameter | 68 mm |
| Db-killer | Yes, included |
| Lambda sensor bung | No |
| CO sensor bung | No |
| Weight | 1.72 kg |
| Homologation | EURO5 · ECE — homologated for road use (CARB mark as a replacement part) |
| Arrow vehicle type | 4R90 · 4R90R |
Technical data from the SPECIFICATIONS panel of the official Arrow catalog (71915PRN sheet) and from the mounting diagrams for the same application.
Vehicle compatibility
| Brand | Model | Years | Vehicle type |
|---|---|---|---|
| BMW | F 900 R / F 900 R A2 | 2020-2024 | 4R90 · 4R90R |
| BMW | F 900 XR / F 900 XR A2 | 2020-2024 | 4R90 · 4R90R |
⚠️ F 900 R and F 900 XR from 2025 are a different application (vehicle type MR90 / MR90R) and use different Arrow part numbers: this silencer is not suitable. Always check the year and model before ordering.
The Arrow system on this motorcycle — what is homologated and what is not
| Component | Part number | Arrow Homologation |
|---|---|---|
| Pro-Race nichrom Dark silencer — this item | 71915PRN | ✅ ECE — road use |
| Mid-pipe | 71729MI | ❌ Racing — closed circuit only |
| Racing headers (optional) | 71730MI | ❌ Racing — closed circuit only |
The six finishes for the same application
| Line | Body | End Cap | Outlet | Weight | Part Number |
|---|---|---|---|---|---|
| Pro-Race Steel Cap | "Dark" Steel — this item | Stainless steel | 68 mm | 1.72 kg | 71915PRN |
| Pro-Race Steel Cap | Stainless steel (nichrom) | Stainless steel | 68 mm | 1.30 kg | 71915PRI |
| Pro-Race Titanium Cap | Titanium | Titanium | 68 mm | 1.22 kg | 71915PR |
| Indy Race Carbon Cap | Aluminum | Carbon | 58 mm | 1.90 kg | 71915AK |
| Indy Race Carbon Cap | Titanium | Carbon | 58 mm | 1.93 kg | 71915PK |
| Indy Race Carbon Cap | Dark Aluminum | Carbon | 58 mm | 2.33 kg | 71915AKN |
All six finishes are ECE homologated on the official Arrow diagram: material, outlet section, and weight change, but not homologation. The three Pro-Race models have a tapered shape with a 68 mm conical outlet; the three Indy Race models have a squared body with a 58 mm outlet and carbon end cap.
Mounting and combinations
The official Arrow diagram pairs the silencer with the 71729MI mid-pipe, which in turn mounts to both Arrow 71730MI headers and original BMW headers. Those who want the complete system add the 71730MI racing headers — on the diagram they are connected with a dashed arrow, meaning they are optional, and Arrow declares them usable even with the standard silencer. Professional installation is recommended: the frame bracket is welded to the body and must be aligned before tightening.
Perfect for
For those who have an F 900 R or F 900 XR 2020-2024 and want the Pro-Race line in a dark version: on black and gray liveries, the body disappears into the bike, and only the steel ends are visible; on white liveries, it creates a contrast. Technically, it is identical to the light nichrom 71915PRI — same measurements, same homologation, same db-killer: only the finish and weight differ.
Original Arrow Special Parts product, manufactured in Italy. Moon Bike S.r.l., based in Cercola (NA). Official manufacturer's 2-year warranty, direct assistance in Italian, shipping throughout Italy with professional packaging.
Frequently Asked Questions
Is the silencer completely black?
No, and it's worth knowing before ordering. The "Dark" refers to the body: the rear end cap with the exit cone and the front end with the connection remain in light stainless steel. This is how Arrow describes it in the specifications and how it appears in the product photographs.
What is "nichrom"?
It is the trade name Arrow gives to this finish. In the SPECIFICATIONS panel for part number 71915PRN, Arrow states "Dark" steel for the body and stainless steel for the rear end cap and the silencer interior.
What is the difference between this and the 71915PRI?
Only the finish and weight. Identical measurements: 250 mm body, 49 mm inlet, 68 mm outlet, welded bracket, db-killer included, ECE homologation. The PRI is light steel and Arrow declares it at 1.30 kg; this one is black and declared at 1.72 kg.
Is it homologated for road use?
Yes. On the official Arrow diagram for this application, the 71915PRN is in the Pro-Race Steel Cap — ECE HOMOL. block, and the diagram header bears the EURO5, ECE, and CARB marks.
Does it also fit A2 versions?
Yes. Arrow explicitly lists F 900 R / F 900 R A2 and F 900 XR / F 900 XR A2 2020/2024, vehicle type 4R90 and 4R90R.
Is the 71729MI mid-pipe required?
The Arrow mounting diagram pairs the silencer with the 71729MI mid-pipe, sold separately. Please note: that mid-pipe is marked Racing by Arrow. If your goal is to remain road legal, please contact us before assembling the system, and we can evaluate the configuration together.
Is the db-killer included?
Yes. Arrow states the presence of the db-killer in the specifications for this part number.
Does it fit the F 900 R or XR from 2025?
No. From 2025, BMW changes application (vehicle type Arrow MR90 / MR90R) and the codes are different. This muffler only covers 2020-2024.
Is this an original product?
Yes: Arrow Special Parts, code 71915PRN, EAN 8019799108790, sold by Moon Bike S.r.l., authorized dealer.
Veicoli compatibili
- BMW F 900 R 2020-2024
- BMW F 900 XR 2020-2024
Non sicuro della compatibilità? Contattaci
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