Spark Exhaust Konix Evo WSSP Titanium Link Pipe Group Triumph Street Triple 765 (2019-2026) GTR8828ST
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The back half of Spark's current World Supersport system, sold on its own. A titanium link pipe under a carbon cover, closed by the Konix Evo — and Spark is unambiguous about what it fits: only the GTR8815 or GTR8817 collector.
Key Features
- Titanium link pipe with carbon cover and Konix Evo silencer.
- Triumph Street Triple 765 and Daytona 765 Moto 2, 2019 to 2026.
- Fits only Spark's GTR8815 or GTR8817 collector.
- Konix Evo: all-titanium case with a carbon fibre end cap.
- Spark's current WSSP replica specification.
- Takes the G9999 dB killer.
Read the Restriction First
This is not a slip-on. Spark states in the part description that the group is for the GTR8815 or GTR8817 collector only, and that restriction is the first thing to check against your motorcycle.
If the bike still has its standard headers, this group has nothing to bolt to. What you want in that case is one of the WSSP replica kits designed for the unmodified machine — GTR0509T with the same Konix Evo silencer, or GTR0510T and GTR0511T with the Force Evo. They cost around a quarter of the price of a collector plus this group.
The Upgrade Path Spark Built
For an owner who already has a Spark collector, this group is what a system upgrade looks like without buying a system. The collector is the expensive, permanent half; the link pipe and silencer are the half that changes with specification, with a crash, or with a change of series.
Because Spark keeps the collector interface constant across generations, a GTR8817 fitted years ago takes the current group. That is a deliberate decision on Spark's part and it is worth more than any single feature on this page.
Carbon Over Titanium
The link pipe is titanium under a carbon fibre cover, and the two materials are doing different jobs. Titanium carries the gas and the heat at the lowest weight the section allows; the carbon cover shields the rider's leg and the bodywork from what the titanium is radiating.
The Konix Evo behind it is built entirely in titanium — outer sleeve, perforated inner tube and inner end cap — with a carbon fibre end cap drawn with a Maranello design studio. It is the case Spark supplies to SuperSport 600 World Championship teams.
Fitment & Compatibility
Triumph Street Triple 765 R, RS and S and the Daytona 765 Moto 2, 2019 through 2026, on the Spark GTR8815 or GTR8817 collector only. The Force Evo version of this group is GTR8827ST. The complete system with this silencer is GTR8828T. The dB killer is G9999.
Road Approval
None. No EC certificate, no catalytic converter, and the collector it mounts to has neither. Closed circuits only.
Specifications
- Part number: GTR8828ST
- Type: Link pipe and silencer group, WSSP replica
- Link pipe: titanium with carbon fibre cover
- Silencer: Konix Evo, full titanium with carbon end cap
- Requires: Spark collector GTR8815 or GTR8817
- dB killer: not included (G9999)
- Fitment: Triumph Street Triple 765 / Daytona 765 Moto 2 (2019-2026)
- Road approval: None — racing use only
- Manufacturer: Spark Exhaust Technology, Mantova, Italy
| Part number | GTR8828ST |
|---|---|
| Type | Half system |
| Silencer design | Konix Evo |
| Material | Titanium |
| Fitment | Triumph Street Triple 765 R / Street Triple 765 RS / STREET TRIPLE 765 S (2023-2026) |
| Road approval | None — track use only |
| Origin | Made in Italy |
- Triumph Street Triple 765 R
- Triumph Street Triple 765 RS
- Triumph STREET TRIPLE 765 S
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// Spark Exhaust
Spark Exhaust Konix Evo WSSP Titanium Link Pipe Group Triumph Street Triple 765 (2019-2026) GTR8828ST

Tech specs
- Part number
- GTR8828ST
- Type
- Half system
- Silencer design
- Konix Evo
- Material
- Titanium
- Fitment
- Triumph Street Triple 765 R / Street Triple 765 RS / STREET TRIPLE 765 S (2023-2026)
- 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
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