Spark Exhaust WSSP600 Stainless Collector Triumph Street Triple 765 (2020-2026) GTR8817⟲ 360° — drag me
02 · Data & docs

The facts.

Technical data
Part numberGTR8817
TypeHeader
MaterialStainless steel
FitmentTriumph Street Triple 765 R / Street Triple 765 RS / STREET TRIPLE 765 S (2023-2026)
Road approvalNone — track use only
OriginMade in Italy
DescriptionThe whole story▼

The same World Supersport geometry, in stainless steel. Spark's WSSP600 collector without the titanium price — the headers from the system tested on the PTR Triumph Racing Street Triple 765, sold on their own.

Key Features

  • Stainless steel WSSP600 racing collector for the Triumph Street Triple 765, 2020 to 2026.
  • The header section from Spark's World Supersport replica system.
  • Takes the GTR8828ST and GTR8827ST link pipe and silencer groups.
  • Considerably cheaper than the full titanium collector.
  • Supplied without a link pipe or silencer.
  • Developed with Moto2 technicians.

Why Spark Mixes Materials

The complete WSSP600 systems — GTR8817T and GTR8823T — are built from stainless headers and a titanium link pipe, and that is not a cost compromise. It is where each material belongs.

Stainless goes at the front because the header section runs hottest, takes the stones the front wheel throws, and gains least from titanium's density advantage on short primary lengths. Titanium goes in the link pipe, where the runs are longer, the temperatures lower and the mass sits closer to the roll axis. Buying this collector and a titanium link group reproduces exactly that split.

The Cheaper Route to the Same System

Spark sells two collectors for this range. The full titanium GTR8815 and this one. Both accept the same link pipe and silencer groups, and both come from the same World Supersport development work.

Between them is a considerable price difference and a few hundred grams. On a bike being prepared to a class minimum weight the titanium version earns that; on a track-day machine or a fast road bike this one buys the same geometry, the same fitment and the same silencer options for meaningfully less.

What Fits Behind It

Spark is specific: the GTR8828ST and GTR8827ST link pipe groups fit only this collector or the titanium GTR8815. They are not slip-ons for the standard exhaust.

GTR8828ST carries the Konix Evo, GTR8827ST the 400 mm Force Evo — the longer, quieter case for circuits that measure. Either one plus this collector is a complete Spark system.

Fitment & Compatibility

Triumph Street Triple 765 R, RS and S, 2020 through 2026. The full titanium equivalent is GTR8815. The complete systems built on this collector are GTR8817T with the Konix Evo and GTR8823T with the Force Evo. Link pipe groups: GTR8828ST and GTR8827ST.

Road Approval

None. The collector carries no EC certificate and no catalytic converter. Closed circuits only.

Specifications

  • Part number: GTR8817
  • Type: Racing collector, full system
  • Material: Stainless steel
  • Specification: WSSP600
  • Link pipe and silencer: not included
  • Matching groups: GTR8828ST, GTR8827ST
  • Fitment: Triumph Street Triple 765 R / RS / S (2020-2026)
  • Road approval: None — racing use only
  • Manufacturer: Spark Exhaust Technology, Mantova, Italy
FitmentWhich bikes this fits▼
  • Triumph Street Triple 765 R
  • Triumph Street Triple 765 RS
  • Triumph STREET TRIPLE 765 S
07 · Support

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08 · Paddock

Before you go.

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