Spark Exhaust Force 400 mm Titanium Silencer Group Honda CBR 1000 RR-R (2020-2026) GHO8843ST

Spark's long-running silencer, in titanium, at 400 mm. The plain Force is the case without the rib and without the price of the Evo — and on the CBR 1000 RR-R it sits at the quiet end of Spark's range rather than the loud one.

Key Features

• Force silencer group, titanium, 400 mm, Honda CBR 1000 RR-R, 2020 to 2026.
• Cylindrical case with a straightforward mounting interface.
• Sold as a group — silencer with its mounting parts.
• Fits Spark's full systems for this bike.
• Takes a dB killer to reduce the level further.
• Around three hundred euros less than a complete system change.

Force or Force Evo

Spark keeps both in the catalogue and they are not the same part. The Force is the older, plainer case: a clean cylinder with no rib and no sculpting. The Force Evo added a rib along the titanium sleeve that runs into the lines of the carbon end cap.

Acoustically Spark groups them together — both are the silencers it names when a decibel limit is part of the brief. Visually they are a generation apart. If the bike already wears an older Spark system, the plain Force is what matches it.

Four Hundred Millimetres

Length is the most reliable lever a silencer has over its own reading, and 400 mm is a long case by the standards of a superbike exhaust. It puts this group between the 350 mm Force Evo and the 450 mm version in Spark's range for this engine.

On a CBR 1000 RR-R that extra length is largely hidden under the tall tail unit, so it costs less visually here than it would on a naked bike. The gain is margin at a sound check, without a plug in the outlet.

Buying a Second Silencer

A silencer group is the cheapest way to change what an exhaust does. The collector and link pipe stay on the motorcycle; only the case and its mounting hardware change.

For a rider who runs one circuit with a published limit and another without, owning two silencers and one system is both cheaper and quicker than any alternative. It is also the sensible response to a crash that takes the case and leaves the rest intact.

Fitment & Compatibility

Honda CBR 1000 RR-R, 2020 through 2026, on Spark's systems for this bike. The Force Evo silencer groups for the Evo 2025 range are GHO8835ST at 350 mm; the Moto GP group is GHO8837ST. Complete systems: GHO8835T, GHO8845T, GHO8836T and GHO8837T.

Road Approval

None. The silencer carries no EC certificate and the systems it belongs to have no catalytic converter. Closed circuits only.

Specifications

• Part number: GHO8843ST
• Type: Silencer group
• Design: Force
• Material: Titanium
• Length: 400 mm
• dB killer: available, not fitted
• Fitment: Honda CBR 1000 RR-R (2020-2026)
• Road approval: None — racing use only
• Manufacturer: Spark Exhaust Technology, Mantova, Italy