Spark Exhaust Force Evo Silencer 450 mm with dB Killer BMW S1000RR (2019-2026) GBM8826ST
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This is the part you order when the noise meter has already sent you home once. Spark stretches the Force Evo case to 450 mm and puts a dB killer in the box as standard — two measures stacked on top of each other, both aimed at the same number.
Key Features
- Force Evo silencer group in the long 450 mm case.
- dB killer supplied as standard, not sold separately.
- The extra 100 mm over the standard case is acoustic volume, not styling.
- Carbon end cap on a ribbed case, the same family detailing as the shorter version.
- Fits all four of Spark's S1000RR collectors.
- The quietest configuration Spark offers for this motorcycle.
How Much Quieter
Spark does not publish a separate figure for the 450 mm case on the S1000RR, so here is the closest evidence rather than a guess. On the Kawasaki ZX-4RR, where Spark does publish both, the same step from a 350 mm to a 400 mm Force Evo takes the reading from 105 dB to 98 dB. This case is longer still and ships with a dB killer on top. If you need a number in writing for scrutineering, ask us and we will request the measurement sheet from Spark before you order.
Before You Order
Measure the space. Those extra 100 mm sit exactly where a rearset bracket, a paddock-stand bobbin or a trimmed tail unit often lives on a track-prepared S1000RR. The silencer is the right answer acoustically and the wrong one if it fouls the subframe — worth ten minutes with a tape measure.
Fitment & Compatibility
Mounts to Spark's S1000RR collectors GBM8821R, GBM8823, GBM8824R and GBM8825. Motorcycle: BMW S1000RR (2019-2026), M1000RR and M1000R. The 350 mm version is GBM8824ST in titanium or GBM8824SC in carbon.
Road Approval
None. Everything about this silencer is aimed at circuit noise regulations, not at road registration — there is no EC certificate and no catalytic converter anywhere in the system it belongs to.
Specifications
- Part number: GBM8826ST
- Type: Silencer group
- Design: Force Evo, 450 mm
- Material: Carbon end cap on a titanium case
- dB killer: included
- Fits: Spark S1000RR collectors GBM8821R / GBM8823 / GBM8824R / GBM8825
- Fitment: BMW S1000RR / M1000RR / M1000R (2019-2026)
- Road approval: None — track use only
- Manufacturer: Spark Exhaust Technology, Mantova, Italy
| Part number | GBM8826ST |
|---|---|
| Type | Silencer |
| Silencer design | Force Evo |
| Material | Carbon |
| Dimensions | 450 mm long |
| Fitment | BMW S1000RR / M1000RR / M1000R (2019-2026) |
| Road approval | None — track use only |
| Origin | Made in Italy |
- BMW S1000RR
- BMW M1000RR
- BMW M1000R
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// Spark Exhaust
Spark Exhaust Force Evo Silencer 450 mm with dB Killer BMW S1000RR (2019-2026) GBM8826ST

Tech specs
- Part number
- GBM8826ST
- Type
- Silencer
- Silencer design
- Force Evo
- Material
- Carbon
- Dimensions
- 450 mm long
- Fitment
- BMW S1000RR / M1000RR / M1000R (2019-2026)
- Road approval
- None — track use only
- Origin
- Made in Italy
- Worldwide shipping
- Genuine parts & verified quality
- 14-day returns — in stock ships within 24h
- Personal email support
// Support
Frequently asked questions
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