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

The Arrow 77502PRN exhaust is a Pro-Race line slip-on in the "Dark" nichrom version: the short, conical "trumpet-shaped" design derived from competition, with a "Dark" steel body – black – and a stainless steel end cap, silencer interior, and fitting, as stated by Arrow. The fitting is integrated into the exhaust, not sold separately. It is the dark version of the 77502PRI. 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

• "Dark" finish – black body with exposed stainless steel end cap: the most striking contrast in the Pro-Race range for this motorcycle
• Pro-Race line – short trumpet-shaped silencer, the most compact among Arrow homologated exhausts for the F 900
• Street legal homologation – EURO5+ · EC ECE · CARB: the motorcycle remains compliant, with documentation included in the package
• Integrated stainless steel fitting – mounts on original headers, no other components are needed
• Compatible with center stand – expressly stated in the Arrow assembly diagram
• Removable db-killer included – can be removed for track use and reinstalled for street use
• No sensor to move – Arrow states this exhaust has no lambda sensor port and no CO sensor port

Technical specifications

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 check your motorcycle's model and year before purchasing.

Other finishes for this motorcycle

• 77502PRI – Pro-Race nichrom – the same exhaust in natural stainless steel finish
• 77502PR – Pro-Race titanium – same shape, titanium body
• 77502PK – Indy Race EVO titanium with carbon end cap
• 77502AKN – Indy Race EVO Dark aluminum with carbon end cap – the other dark finish in the range

Who it's perfect for

For those who own a BMW F 900 R or F 900 XR from 2025 or 2026 – including the restricted A2 version – and want the competition-inspired Pro-Race "trumpet" shape with a darkened motorcycle tail. Compared to the 77502PRI, only the body finish changes: homologation, stainless steel end cap and interior, welded attachment, db-killer, and integrated fitting are identical.

Frequently asked questions

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

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

Is the fitting included or sold separately?
It is included. Among the official specifications for this Arrow code, the material of the fitting is stated 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.

Is it all black, or not?
No: Arrow states only the silencer body is black ("Dark steel"). The rear end cap, silencer interior, and fitting are exposed stainless steel, therefore light. The contrast between the black body and the light end cap is intentional.

What is "nichrom"?
It is the commercial name Arrow uses to indicate this family of steel finishes. Arrow does not publish the alloy composition, so we do not report it.

What is the difference with the 77502PRI?
Only the body finish: "Dark" black here, natural stainless steel on the 77502PRI. Shape, homologation, stainless steel end cap and interior, welded attachment, db-killer, and integrated fitting are identical.

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

Does 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 Dark for those years is the 71915PRN. This code only covers 2025 and 2026.