Termignoni Full Exhaust System Stainless steel / Titanium Ducati Desmo450 MX (2025-2026) – D24309400ITC
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D24309400ITC is the complete system for the Desmo450 MX — stainless header, titanium silencer, 1.199 euros net. Termignoni's first exhaust for a Ducati motocrosser.
Key Features
- Complete exhaust system for the Ducati Desmo450 MX.
- Stainless steel with a titanium silencer.
- Model years 2025 and 2026.
- 1.199 euros net.
- Competition part — race use only, for closed courses.
Ducati's first motocross bike, and a first for Termignoni too
The Desmo450 MX arrived in 2025 as Ducati's entry into a class they had never contested, built around a desmodromic single with a rev ceiling well above what the segment was used to. Termignoni have built exhausts for Ducati road bikes for four decades; this is the first time the partnership has produced a motocross system, and it is the only exhaust in this catalogue designed to be washed with a pressure hose after every use.
An off-road system is a different engineering problem
A superbike exhaust is designed around a fairing and a fixed riding position. A motocross exhaust has to clear a shock that moves 300 millimetres, keep a header away from the rider's boot, survive a fall on both sides, and resist mud that dries into an insulating crust. That is why the header here is steel rather than titanium — it is the material that takes a rock and keeps its shape.
Where the power is, and why that matters on a 450
The Desmo450's selling point is how far it revs, and desmodromic valve actuation is the reason it can. An exhaust for that engine has to be tuned for the top of the range without hollowing out the bottom, because a motocross rider needs drive out of a rut as much as over-rev up a straight. Termignoni built this system against that specific brief rather than adapting a road design.
What it needs alongside
A calibration, and a maintenance habit. Motocross silencers are repackable — the absorbent material inside breaks down under sustained high revs and needs replacing rather than ignoring. Budget for wadding once or twice a season if the bike is raced, more if it is ridden in sand.
Which Ducati this fits
Ducati Desmo450 MX, model years 2025 and 2026.
Road Approval
None, and none is possible. Race use only — a motocross machine, its exhaust included, is built for closed courses and carries no EC approval or ABE.
Specifications
| Specification | Detail |
|---|---|
| Brand | Termignoni |
| Part number | D24309400ITC |
| Type | Full exhaust system |
| Header | Stainless steel |
| Silencer | Titanium |
| ECU map | Not included — required |
| Fitment | Ducati Desmo450 MX (2025-2026) |
| Road approval | Race use only — closed course |
| Brand | Termignoni |
|---|---|
| Part number | D24309400ITC |
| Type | Full Exhaust System |
| Material | Stainless steel |
| Sleeve / end cap | Titanium |
| Fitment | Ducati Desmo450 MX (2025-2026) |
| Road approval | Race use only — not road legal |
- Ducati Desmo450 MX (2025–2026)
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Difference to the OEM exhaust
at 6200 rpm
At rated power +1 hp · 9400 rpm
at 6200 rpm
Figures as published by Termignoni for this part number, measured against the standard exhaust. Real-world results depend on the state of the engine, the fuelling and the conditions on the day.
// Termignoni
Termignoni Full Exhaust System Stainless steel / Titanium Ducati Desmo450 MX (2025-2026) – D24309400ITC

Tech specs
- Brand
- Termignoni
- Part number
- D24309400ITC
- Type
- Full Exhaust System
- Material
- Stainless steel
- Sleeve / end cap
- Titanium
- Fitment
- Ducati Desmo450 MX (2025-2026)
- Road approval
- Race use only — not road legal
- Worldwide shipping
- Genuine parts & verified quality
- 14-day returns — in stock ships within 24h
- Personal email support
// Support
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