Sistema Racing Sottosella Termignoni Ducati Desmo MX 450 2025-26
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Product Information
Underseat racing exhaust system for the Ducati Desmo MX 450
The Termignoni Underseat Racing System for the Ducati Desmo MX 450 2025–2026 is a purpose-built competition exhaust developed for Ducati’s first step into the world of motocross. Designed to withstand the harshest riding conditions, this complete racing system delivers stronger mid-range performance, reduced weight, and the unmistakable Termignoni race sound.
The system combines stainless steel collectors with a lightweight titanium silencer in an underseat configuration, optimised for durability, mass centralisation, and throttle response. Battle-tested in demanding off-road environments, it is engineered to perform consistently under extreme heat, vibration, and impact. Supplied with a removable dB killer, the system is ready to fit with no ECU remapping required.
Compatible Models
· Ducati Desmo MX 450 2025–2026
· Ducati Desmo MX 450 2025-2026 Enduro models
Key Features & Specifications
· System Type: Complete racing exhaust system
· Configuration: Underseat layout
· Collectors: Stainless steel
· Silencer: Titanium
· Sound Control: Removable dB killer included
· Performance Focus: Enhanced mid-range response
· Use: Motocross / racing
· ECU Requirements: No remapping required
· Build Quality: Race-developed and off-road tested
Why Choose the Termignoni Racing System?
· Developed specifically for Ducati’s motocross platform
· Stronger mid-range power delivery for technical riding
· Lightweight titanium silencer improves balance and control
· Stainless steel collectors for durability in extreme conditions
· Proven Termignoni race engineering and build quality
· Simple installation with no ECU tuning required
What’s Included?
· Termignoni underseat titanium silencer
· Stainless steel collector pipes
· Removable dB killer
· Mounting hardware
· Termignoni documentation
Assembly Notes
Designed for direct installation using the supplied components. Ensure all fasteners are correctly tightened and rechecked after the first heat cycle. Intended for racing and off-road use only.
Payment methods
Payment plans
Delivery and shipping
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UK stock items
Orders placed before 2pm, Monday to Friday (excluding bank holidays), are typically dispatched the same working day. Should an item be out of stock or a delay occur, we will contact you promptly to provide an update on your order and the expected dispatch date.
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UK mainland delivery
Smaller items are sent via Royal Mail 48 Hour for £5.50. Medium and Larger items are sent via our network of Couriers (Parcelforce, DPD, DHL and Fex Ex) for £8.92.
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Special order items
Special order items are ordered directly from our supplier. Delivery timescales are estimates and may vary depending on supplier availability. Orders are typically dispatched within 24 hours once they arrive.
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International Duties & Import Fees
Non-UK Customers (Excluding USA) - Tax will not be charged on your order, however local import duty fees will apply and are the responsibility of the customer upon delivery.
USA Customers - Import duties are calculated and included at checkout, allowing for a smooth and streamlined delivery experience. All applicable import duties are prepaid, helping to ensure there are no unexpected customs charges upon delivery. -
International delivery
We ship worldwide with all major courier services such as Parcelforce, Fed Ex, UPS, DHL etc. Most international orders arrive within 7 working days from dispatch; timings vary by destination and customs processing.
International customers can use our shipping cost calculator for delivery costs. -
Tracking Information
Once your order has been dispatched, tracking detail information will be emailed to you. If you provided a mobile number on your order, you will also receive a text from the courier with tracking information. Please ensure your delivery address information is correct before ordering. Additional charges may apply for repeated failed delivery attempts or incorrect delivery details supplied.




