Système d’échappement décatalysé sous-selle noir QD Ducati Streetfighter V4 / S 2021-24
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Product Information
Transform your Ducati Streetfighter V4 with the Decat Racing version of the QD Black Underseat Exhaust System
Designed for track use and serious performance enthusiasts, this race-only system delivers raw power, reduced weight, and an aggressive MotoGP-inspired aesthetic — complete with GP-style titanium silencers.
This version removes the catalytic converter for unrestricted flow and maximum output. When paired with the T800 UpMap ECU remap (sold separately), expect a significant performance boost and sharper throttle response.
Key Features & Specifications
- Fitment: Ducati Streetfighter V4
- Silencers: Twin Gunshot Dark Matter titanium silencers with black ceramic coating and carbon fibre end caps
- System Type: Semi-complete decat system with manifolds and 52mm diameter fittings (no catalysts)
- Valve Integration: Includes 2-into-1 fitting with servo-controlled valve (retains factory servo motor)
- Remap Option: T800 UpMap system available separately for optimal fuelling and performance
- Bracketry: Includes widened passenger footrest brackets
- Licence Plate Holder: QD number plate support included and fully compatible
- Warranty: 30-month manufacturer’s warranty with Service Card registration
- Homologation: Not homologated
Why Choose the Decat Racing QD Exhaust for Streetfighter V4?
- Race-focused design for maximum flow and power
- Underseat layout inspired by MotoGP factory bikes
- Significant weight savings over OEM exhaust
- Black ceramic finish and carbon tips add stealth performance styling
- Backed by QD’s 30-month manufacturer’s warranty
What’s Included?
- 2 x QD Gunshot Dark Matter Titanium Silencers
- Full decat pipework with 2-into-1 servo valve section
- Passenger footrest support brackets
- QD Licence Plate Holder
- Service Card for warranty activation
- Mounting hardware and fitting kit
Assembly Instructions & Warnings
This is a decat racing exhaust system and is not homologated for road use. Removal of the factory catalytic converter is required. Professional installation is strongly recommended due to the complexity of underseat routing and servo valve integration.
It is highly recommended to install the T800 UpMap ECU remap module, available separately.
The system is designed for closed-course and competition use only. Use on public roads may be restricted by local regulations.
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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.
