Arrow 77502PRI Pro-Race Nichrom Silencer – BMW F 900 R / XR 2025-2026

The Arrow 77502PRI exhaust is a slip-on from the Pro-Race line in the "nichrom" version: the short, conical "megaphone" shape derived from racing, with the body, end cap, and silencer interior all made of stainless steel, as stated by Arrow. The stainless steel mid-pipe is integrated into the exhaust, not sold separately. It is the most accessible version of the Pro-Race line for this motorcycle. For BMW F 900 R, F 900 XR, F 900 R A2, and F 900 XR A2 from 2025 and 2026. Homologated: on the Arrow assembly diagram, it is marked ECE HOMOL. with EURO5+, EC ECE, and CARB marks.

✓ Strengths

• Pro-Race Line – short megaphone silencer, the most compact among the Arrow homologated exhausts for the F 900
• All stainless steel – body, end cap, and interior: the most robust construction in the range, and the easiest to keep clean
• Road legal – EURO5+ · EC ECE · CARB: the motorcycle remains compliant, with documentation included in the package
• Integrated stainless steel mid-pipe – mounts to the original headers, no other components needed
• Compatible with center stand – expressly stated on the Arrow assembly diagram
• Removable db-killer included – remove for track use and reinsert for road use
• No sensor relocation required – Arrow states this exhaust has no lambda sensor port and no CO sensor port

Technical features

Arrow does not publish the weight of this code, and the body length, inlet diameter, and outlet diameter are 0.00 in its datasheet: therefore, we do not report them.

Vehicle compatibility

Source: Arrow application sheets 1966 (F 900 R / F 900 XR 2025/2026) and 2037 (F 900 R A2 / F 900 XR A2 2025/2026). Always verify your motorcycle's model and year before purchasing.

Other finishes for this motorcycle

• 77502PR – Pro-Race titanium – same shape, titanium body
• 77502PK – Indy Race EVO titanium with carbon end cap
• 77502AK – Indy Race EVO aluminum with carbon end cap
• 77502AKN – Indy Race EVO Dark aluminum with carbon end cap

Perfect for

For those who own a BMW F 900 R or F 900 XR from 2025 or 2026 – including the A2 restricted version – and want the racing megaphone shape of the Pro-Race for less than titanium. Only the material changes: homologation, welded mount, db-killer, integrated stainless steel mid-pipe, and installation method are identical to the 77502PR. Stainless steel is also more forgiving in daily use and in winter.

Frequently Asked Questions

Is the 77502PRI exhaust homologated?
Yes. On the Arrow assembly diagram, it is marked ECE HOMOL., with EURO5+, EC ECE, and CARB marks in the header: installing it keeps the motorcycle compliant for road use. Keep the documentation found in the package.

Which BMWs does it fit?
The F 900 R and F 900 XR from 2025 and 2026, including the A2 restricted versions. Arrow lists them on two pages, vehicle type MR90 for the full versions and MR90R for the A2, and on both, it indicates the same code 77502PRI.

Is the mid-pipe included or sold separately?
It is included. Among the official specifications for this Arrow code, the mid-pipe material is declared as stainless steel: the connection pipe is part of the exhaust. The diagram specifies that these are exhausts for original headers, so no other components are needed.

What is "nichrom"?
It is the commercial name Arrow uses for this finish. In the technical sheet for the same code, the declared material is stainless steel, for the body, end cap, and silencer interior: Arrow does not publish the alloy composition, so we do not report it.

What is the difference between this and the 77502PR in titanium?
Only the material: the PR has a titanium body and interior, this one has them in stainless steel. The silencer shape, homologation, welded mount, db-killer, and integrated stainless steel mid-pipe are identical. Titanium is lighter and more premium, steel is less expensive and more robust.

Do I need to remove the center stand?
No. The Arrow assembly diagram expressly states this: these exhausts mount with the original center stand.

Do the lambda sensors need to be moved to the exhaust?
No. Arrow states this exhaust has no port for the lambda sensor and no port for the CO sensor: the motorcycle's two sensors – the diagram indicates that this BMW has two – remain in their original location on the stock system.

Will it fit my 2022 F 900 R?
No. The F 900 R and XR from 2020 to 2024 are a different application, vehicle type 4R90 and 4R90R: the Pro-Race nichrom for those years is 71915PRI. This code only covers 2025 and 2026.