Spark Exhaust Dyno Underseat Silencer Pair Orange Euro5 KTM 1290/1390 Super Duke R (2020-2026) GKT0120TOMA
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Orange anodising on a five-axis milled end cap. Spark's newest silencer for the Super Duke was drawn around its outlet rather than around its case, and it is the only version in the range that answers KTM's own colour with the exhaust.
Key Features
- Euro5 homologated underseat silencer pair for the KTM 1290 and 1390 Super Duke R, 2020 to 2026.
- Dyno silencers with orange anodised aluminium end caps.
- End cap precision-milled on a 5-axis CNC machine.
- 2.6 kg against 3.3 kg standard.
- Not compatible with the passenger footrests or with the RR version.
- The newest design in Spark's Super Duke range.
An End Cap Worth Describing
Spark spends more words on this end cap than on the silencer behind it, and the reasons are specific. It is milled on a five-axis machine, and the perforation through it does two jobs at once: it removes weight, and the different radii on the inner and outer faces catch light at different angles.
Spark's own phrase is that it reflects sunlight like a real jewel. That is a manufacturer being unashamed about a decorative intent, and it is more honest than dressing the same feature up as an airflow improvement. The perforation is real engineering; the way it looks in the sun is the point.
Orange, Black or Carbon
Spark offers the Dyno in three end caps at three prices. This one is the orange anodised aluminium, the most expensive of the three and the one that picks up the frame colour on most Super Dukes. The black anodised version is GKT0120TOMN, around a hundred and twenty euros less. The carbon fibre version is GKT0120TOMC, less again.
Nothing else differs between them — same silencers, same weight, same approval. Choose by what the rest of the motorcycle is wearing.
What the Underseat Layout Asks For
Like all of Spark's under-seat kits for this bike, this one is incompatible with the passenger footrests and cannot be fitted to the RR version. Both restrictions come from where the silencers sit.
In exchange the motorcycle's flank is left clear and the exhaust becomes symmetrical. At 2.6 kg against 3.3 kg the pair is also the lightest of Spark's homologated underseat options for this bike.
Why Spark Added a New Silencer
The Dyno arrived when Spark extended the Super Duke range to the 1390 R Evo. Everything already approved to Euro5 was updated for the new model, and the company chose that moment to add a case it had not offered before rather than simply relabelling the old ones.
That is worth knowing when comparing prices. The Grid-O and Moto GP cases are proven designs carried across from the racing catalogue; the Dyno was drawn for this motorcycle, in the era of the milled end cap, and it is priced accordingly.
Fitment & Compatibility
KTM 1290 Super Duke R, 1290 Super Duke R EVO, 1390 Super Duke R and 1390 Super Duke R EVO, 2020 through 2026. Not for the RR version. The black end cap version is GKT0120TOMN and the carbon one GKT0120TOMC. The Grid-O underseat pair is GKT0111TOM and the Moto GP pair GKT0117TOM.
Road Approval
Euro5 homologated. Legal for road use as supplied.
Specifications
- Part number: GKT0120TOMA
- Type: Underseat silencer pair, homologated
- Silencers: Dyno, supplied as a pair
- End cap: orange anodised aluminium, 5-axis CNC milled
- Spark weight: 2.6 kg
- Standard weight: 3.3 kg
- Passenger footrests: not compatible
- RR version: not compatible
- Fitment: KTM 1290 / 1390 Super Duke R and R EVO (2020-2026)
- Road approval: Euro5 homologated
- Manufacturer: Spark Exhaust Technology, Mantova, Italy
| Part number | GKT0120TOMA |
|---|---|
| Type | Half system |
| Silencer design | Dyno |
| Material | Titanium |
| Spark weight | 2.6 kg |
| Standard weight | 3.3 kg |
| Weight saving | 0.7 kg |
| Fitment | KTM 1290 SUPERDUKE R / 1290 SUPERDUKE R EVO / 1390 SUPER DUKE R / 1390 SUPER DUKE R EVO (2020-2026) |
| Road approval | EC type-approved |
| Origin | Made in Italy |
- KTM 1290 SUPERDUKE R
- KTM 1290 SUPERDUKE R EVO
- KTM 1390 SUPER DUKE R
- KTM 1390 SUPER DUKE R EVO
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// Spark Exhaust
Spark Exhaust Dyno Underseat Silencer Pair Orange Euro5 KTM 1290/1390 Super Duke R (2020-2026) GKT0120TOMA

Tech specs
- Part number
- GKT0120TOMA
- Type
- Half system
- Silencer design
- Dyno
- Material
- Titanium
- Spark weight
- 2.6 kg
- Standard weight
- 3.3 kg
- Weight saving
- 0.7 kg
- Fitment
- KTM 1290 SUPERDUKE R / 1290 SUPERDUKE R EVO / 1390 SUPER DUKE R / 1390 SUPER DUKE R EVO (2020-2026)
- Road approval
- EC type-approved
- 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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