SC Project SC1-X Carbon Fibre Silencer KTM Duke 990 2024-26

Upgrade your KTM Duke 990 with the SC Project SC1-X Carbon Fibre Silencer

A bold and aggressive exhaust system built for riders who demand premium performance and Italian craftsmanship.

With a high-quality carbon fibre body, sharp-edged carbon fibre end cap, and asymmetrical outlet, the SC1-X combines lightweight design with striking aesthetics. Developed with cutting-edge TIG welds, hydroformed technology, and meticulous detail, this silencer is a true reflection of SC-Project’s racing DNA.

The SC1-X reduces weight by more than 40% compared to the OEM exhaust while providing a noticeable gain in both power and torque. Fully Euro 5+ compliant, it delivers a deeper, more resonant sound without compromising street legality.

Key Features

• Weight Reduction: -40% compared to OEM exhaust (-1.6 kg lighter, SC 2.0 kg vs OEM 3.6 kg)
• Power and Torque Gains: +1.0 hp at 7700 rpm and +1.0 Nm at 7700 rpm with improved low and mid-range response
• Euro 5+ Compliant: EC/ECE type approval included, ensuring full street-legal use
• Premium Materials: Carbon fibre silencer body with a carbon fibre end cap and stainless steel SAE 304 link pipe
• Advanced Craftsmanship: Handcrafted TIG welds in a controlled environment with an aluminium riveted SC-Project logo plate
• Signature Sound: Distinct SC-Project tone, enhancing the natural voice of the KTM twin
• Carbon Fibre Heat Shield: Included for protection and premium styling
• Plug and Play: Easy installation with no ECU remapping required
• Made in Italy: 100% Italian technology, design, and build quality

Technical Specifications

• Power Gain: +1 hp at 7700 rpm
• Torque Gain: +1 Nm at 7700 rpm
• Weight: 2.0 kg (OEM: 3.6 kg)
• Line: Slip-On
• Body Material: Carbon fibre
• End Cap Material: Carbon fibre
• Link Pipe Material: SAE 304 stainless steel
• Mounting Type: Bracket
• Type Approval: EC / ECE (Euro 5+ street legal)
• Warranty: 24 months SC-Project official warranty

What’s Included

• Slip-On silencer
• Link pipe
• Carbon fibre heat shield
• Springs and screws
• SC-Project stickers
• Homologation card
• 24 months SC-Project official warranty

Why Choose the SC1-X Carbon Fibre Silencer for Your KTM Duke 990?

The SC Project SC1-X Carbon Fibre Silencer is built for riders who want aggressive styling, lightweight performance, and deeper sound. With Euro 5+ certification, titanium-strengthened craftsmanship, and handcrafted Italian design, this silencer ensures your Duke 990 looks and sounds as powerful as it feels on the road.

Please note: All SC Project exhausts are meticulously handcrafted, with production times ranging from 3 to 15 working days.

UK Stock Items: Orders for items held in UK stock are normally dispatched within 24 hours.

For UK Mainland: Royal Mail: £5.50 and Courier £8.92

Supplier Items: Items sourced from suppliers are usually dispatched within 5–10 working days once they arrive with us.

Order Cut-Off: Orders placed before 2PM (Monday to Friday) are typically dispatched the same working day, subject to stock availability.

International Delivery: We ship worldwide. Most international orders arrive within 7 working days from dispatch, though delivery times can vary depending on destination and customs processing.

Courier Responsibility: Once an order has been dispatched, delivery timescales are determined by the courier. Tracking information will be provided where available.

Customer Responsibility: Customers must ensure safe receipt of their order. Additional charges may apply if repeated delivery attempts fail due to no one being available, or if incorrect delivery information has been supplied.