Akrapovic exhaust BMW F900R S-B9SO2-HAPLT
5.66 k g
02 · Data & docs

The facts.

Technical data
BrandAkrapovic
Part numberS-B9SO2-HAPLT
FitmentBMW F 900 R and F 900 XR (2020–2026)
System typeSlip-on with pre-muffler
MaterialsTitanium outer sleeve, stainless steel link pipe and pre-muffler, carbon fibre end cap
Weight5.66 kg (stock 7.22 kg, saving 1.56 kg / 21.6 %)
Powergain 0.8 PS / 0.6 kW at 7,400 rpm; peak 101.3 PS against 101.5 PS stock
Torque90.6 Nm (stock 90.5 Nm, gain 0.6 Nm at 7,300 rpm)
LuggageSide cases and centre stand remain compatible
Road approvalEC and ECE type approval, Euro 5
DescriptionThe whole story

One and a half kilograms off a bike that weighs 219 kg, taken from the highest and furthest-back point of it. The Akrapovic Slip-On Line (Titanium) S-B9SO2-HAPLT brings the BMW F 900 R and XR from 7.22 kg of exhaust down to 5.66 kg — 21.6 per cent — with a titanium sleeve, a stainless steel link pipe and pre-muffler, and a hand-made carbon fibre end cap.

Key Features

  • 5.66 kg against the standard 7.22 kg: 1.56 kg and 21.6 per cent less
  • Titanium muffler outer sleeve, stainless steel link pipe and pre-muffler, handmade carbon fibre end cap
  • Small, compact build that sits inside the bike's own lines rather than hanging past them
  • Side cases and the centre stand stay compatible, so an XR keeps its touring set-up
  • EC and ECE type approved within the Euro 5 window
  • Noise insert included, plug-and-play with no remapping
  • Optional handmade carbon fibre heat shield available as P-HSB9SO1

What the Measurements Say

The gain here is 0.8 PS (0.6 kW) at 7,400 rpm and 0.6 Nm at 7,300 rpm, while peak power reads 101.3 PS against the standard 101.5 PS. In other words: the curve fills slightly in the upper mid-range and the very top is a fraction lower. On a Euro 5 parallel twin those are the numbers a type-approved slip-on produces, and inflating them would not make the exhaust better.

What is genuinely large is the 1.56 kg. That is the reason to fit this part, together with the sound — Akrapovic describes a deep, sporty rumble from the 895 cc twin, which the standard system suppresses almost entirely.

One Part, Two Different Motorcycles

The F 900 R and the F 900 XR share an engine, a frame and a subframe, but they are ridden by different people. The R is a naked bike; the XR carries a fairing, a taller screen, longer suspension travel and factory luggage mounts, and is bought as a light sport-tourer. The silencer mounting point is identical on both, which is why one part number covers them.

What that means in practice is that an XR keeps its pannier rails and an R keeps its clean tail. The installation is quoted at 60 minutes on either, longer than a typical slip-on because the standard unit is bolted at three points rather than clamped.

Fitment and Compatibility

S-B9SO2-HAPLT fits the BMW F 900 R and the F 900 XR from model year 2020 through 2026. Installation takes about an hour because the pre-muffler is part of the assembly. The BMW side cases and the centre stand both stay usable.

Road Approval

EC type approval and ECE type approval, Euro 5, certificates supplied and downloadable here. The silencer is a legal replacement part for road use in the European Union without an entry in the vehicle documents.

Specifications

  • Part number: S-B9SO2-HAPLT
  • EAN: 3831126443108
  • Fitment: BMW F 900 R and F 900 XR (2020–2026)
  • System type: slip-on with pre-muffler
  • Outer sleeve: titanium
  • Link pipe and pre-muffler: stainless steel
  • End cap: carbon fibre, handmade
  • System weight: 5.66 kg (stock 7.22 kg, saving 1.56 kg / 21.6 %)
  • Power: gain 0.8 PS / 0.6 kW at 7,400 rpm; peak 101.3 PS against 101.5 PS standard
  • Torque: 90.6 Nm (stock 90.5 Nm at 6,900 rpm, gain 0.6 Nm at 7,300 rpm)
  • Noise insert: included
  • Side cases and centre stand: compatible
  • Installation time: approx. 60 minutes
  • Road approval: EC and ECE type approval, Euro 5
  • Country of manufacture: Slovenia
FitmentWhich bikes this fits
  • BMW F 900 R (2020–2026)
  • BMW F 900 XR (2020–2026)
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08 · Paddock

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