⟲ 360° — drag meThe facts.
| Brand | Akrapovic |
|---|---|
| Part number | S-B10SO13-HZC/1 |
| Fitment | BMW S 1000 XR (2020–2026) |
| Not approved for | BMW M 1000 XR — the EC/ECE certificate is not valid for that model |
| Does not fit | BMW M 1000 XR 2025–2026 |
| Materials | Carbon fibre, heat shield included |
| Weight | 1.28 kg (stock 2.31 kg, saving 1.0 kg / 44.6 %) |
| Power | 171.1 PS (stock 170.9 PS, gain 0.8 PS / 0.6 kW at 8,950 rpm) |
| Luggage | Compatible with BMW side cases |
| Road approval | EC type approval and ECE type approval (S 1000 XR only) |
DescriptionThe whole story▼
One point two eight kilograms. That is the whole silencer, in carbon fibre, against a standard unit that already weighs only 2.31 kg — BMW did not fit anything crude here. Taking 44.6 per cent out of a part that was already light is the harder engineering problem, and it is what this system is for.
Key Features
- 1.28 kg against the standard 2.31 kg: 1.0 kg and 44.6 per cent less
- Carbon fibre construction with the heat shield included in the system
- Compatible with the BMW side cases, so a loaded XR stays loaded
- 0.8 PS (0.6 kW) more at 8,950 rpm and 1.0 Nm more at 9,000 rpm
- Around 30 minutes to fit
- EC and ECE type approved for the S 1000 XR
Important: This Is Not an M 1000 XR Part
Akrapovic states two separate restrictions, and both matter. The EC/ECE type-approval certificate is not valid for the M 1000 XR — so even where the silencer physically fits, an M owner would be riding without a certificate covering their machine. And the system does not fit at all on the M 1000 XR of model year 2025 and 2026.
For that reason our vehicle selector lists this part for the S 1000 XR only. If your registration document says M 1000 XR, ask us and we will check what Akrapovic offers for it rather than sell you something the paperwork does not cover.
Where a Kilogram Goes on a 170 PS Bike
The S 1000 XR is a sport-tourer built on the S 1000 RR engine — 170.9 PS in a chassis with luggage mounts and a long-travel suspension. The gains from an exhaust on an engine like that are always going to be small, and 0.8 PS is honestly what was measured.
The kilogram is the real change, and it comes off the highest, furthest-back point on a tall motorcycle. The heat shield being part of the system rather than an accessory matters here too: an XR carries a passenger and soft luggage over a hot carbon body.
Why Carbon and Not Titanium Here
Titanium is Akrapovic's usual answer, and on this motorcycle it was the wrong one. The standard S 1000 XR silencer is already a light, compact unit — 2.31 kg — so a titanium sleeve would have saved a few hundred grams. Carbon fibre halves it instead, and on a part this small the material is not exposed to the abuse that would normally rule carbon out.
Everything else stays standard: the header, the catalytic converter and the engine management are untouched, no remapping is needed, and the original silencer bolts back on in half an hour if the bike has to be returned to factory condition.
Fitment and Compatibility
S-B10SO13-HZC/1 covers the BMW S 1000 XR from model year 2020 through 2026 and works with the BMW side cases. The figures were measured on a 2020 machine.
Road Approval
EC type approval and ECE type approval for the S 1000 XR, with the certificates supplied and downloadable here. The certificate does not extend to the M 1000 XR.
Specifications
- Part number: S-B10SO13-HZC/1
- EAN: 3831126445812
- Fitment: BMW S 1000 XR (2020–2026)
- Not approved for: BMW M 1000 XR
- Does not fit: BMW M 1000 XR 2025–2026
- System type: slip-on silencer
- Material: carbon fibre
- Heat shield: included in the system
- System weight: 1.28 kg (stock 2.31 kg, saving 1.0 kg / 44.6 %)
- Power: 171.1 PS (stock 170.9 PS, gain 0.8 PS / 0.6 kW at 8,950 rpm)
- Torque: 119.2 Nm (stock 118.8 Nm, gain 1.0 Nm at 9,000 rpm)
- Luggage: compatible with BMW side cases
- Installation time: approx. 30 minutes
- Road approval: EC type approval and ECE type approval, S 1000 XR only
- Country of manufacture: Slovenia
FitmentWhich bikes this fits▼
- BMW S 1000 XR (2020–2026)
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