The facts.
| Part number | G00SI09T |
|---|---|
| Type | Silencer |
| Silencer design | Moto GP |
| Material | Titanium |
| Spark weight | 0.7 kg |
| Fitment | Universal |
| Road approval | None — track use only |
| Included | Holder, 2 springs |
| db killer | Not included — optional G9941 or G9969 |
| Side | Left |
DescriptionThe whole story▼
The left-hand Moto GP. Identical construction to its mirror image, ordered when the exhaust exits on that side or when a build needs a matched pair.
Key Features
- Universal Moto GP silencer in titanium, left-hand side.
- 0.7 kg.
- Holder and two springs included.
- SP Spark.it logo, 100 mm long, laser engraved.
- db killer not included — optional, article G9941 or G9969.
- Custom logo or marking on request.
- Not approved. Racing use.
- Spark part number G00SI09T, made in Mantova, Italy.
Ordering a Pair
Two silencers, two article numbers. A symmetrical twin-can installation needs this one and G00SI08T together, and the two are priced separately because Spark builds them as separate parts rather than as a kit.
The most common mistake on a two-sided build is ordering the same number twice. The result fits — but the outlet angles both point the same way and the engraving on one side reads upside down.
The Shape
Moto GP is Spark's short, wide profile: volume gained across the case rather than along it. Grand prix regulations pushed silencers into that proportion and the road industry followed, which is why a shape that looked extreme fifteen years ago now reads as current.
On a custom build it has a practical advantage too. A short case clears a swingarm, a shock and a pillion peg in places where a long one has to be angled outward.
What Comes in the Box, and What Does Not
In: the silencer, its holder, two springs, and the laser engraving. Out: any pipework to your header, and the noise insert. Both are separate purchases and both are worth settling before the build starts.
Seven Hundred Grams
The whole silencer, holder excluded. It is the lightest case Spark builds in this catalogue apart from the Grid-O, and the reason is simply that there is not much of it — a Moto GP case gains its volume across the width, where thin titanium is at its most efficient.
On a race machine that number is the argument. On a road build it is a bonus alongside the shape.
No Paperwork
Spark lists this article as not approved and there is no route to changing that. A universal titanium race silencer is a track component; fitting one to a road-registered motorcycle in most of Europe makes the machine non-compliant regardless of what insert is in it.
FitmentWhich bikes this fits▼
Universal product — Please check whether it fits your bike.
Questions, one topic at a time.
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Our team is happy to help. Use the contact button below and we’ll personally help you choose the right gear or part.
Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
Yes — it’s tested and approved to the current ECE 22.06 standard and road-legal across the EU.
Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
Yes — the cheek pads are channelled so the arms of your glasses slide in comfortably.
Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
Our team will personally help you choose the right gear or part — around 24h for a reply.