SC PROJECT SC1-R Carbon EXHAUST FOR KTM DUKE 790-890 (2020-2023)

SC PROJECT SC1-R EXHAUST FOR KTM DUKE 790-890 (2020-2023)

The KTM Duke 790 and 890 have earned sc-project-sc1-r…90-890-2020-2023/ their place in the spotlight as aggressive, performance-focused machines built for riders who love sharp handling, torque-heavy power, and minimalist styling. Whether you ride the playful Duke 790 or the more muscular Duke 890, the bike delivers thrills right out of the box. However, there’s always room to push things further. That’s where the SC Project SC1-R Carbon Exhaust comes in—a premium slip-on system that instantly transforms the way your bike sounds, feels, and performs.

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Carbon Fiber Excellence

The SC1-R Carbon is built with high-performance materials and race-proven design. Its outer shell is constructed entirely from lightweight carbon fiber, delivering both aesthetic appeal and functional benefits. Carbon not only keeps the system extremely light, but also offers excellent resistance to heat and vibration—making it an ideal choice for performance enthusiasts.

The carbon weave has a premium, hand-crafted appearance that complements the KTM Duke’s aggressive bodywork. Add in the angular design and the matte finish, and the SC1-R Carbon fits like it was designed with the Duke in mind—because, in many ways, it was.

This system features a carbon fiber end cap and a uniquely shaped silencer body that mimics what you’d find on a MotoGP bike. It doesn’t just look fast—it is fast.

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Race-Inspired Performance

SC Project isn’t new to the racing world. Their exhausts are used by factory teams in MotoGP, WorldSBK, and Moto2. That same engineering goes into the SC1-R Carbon. It’s designed to optimize exhaust gas flow, reduce backpressure, and help your engine breathe more freely.

The result? Noticeably sharper throttle response and more aggressive mid-range torque. Riders who install the SC1-R Carbon often report a more responsive ride and quicker acceleration—especially in that sweet spot between 4,000 and 8,000 RPM, where the Duke’s LC8c parallel twin is most alive.

Even without ECU tuning, the system frees up power that’s otherwise choked by the stock exhaust. Add in a performance air filter or ECU remap, and the gains become even more significant.

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Sound That Demands Attention

The SC1-R Carbon doesn’t just look and perform like a race system—it sounds like one too. With the dB killer removed, the exhaust unleashes a deep, raspy growl that grows into a full-throated roar as you climb through the revs. On downshifts and deceleration, it produces crackles and pops that give you instant feedback and add to the riding experience.

This is not a quiet exhaust by any means. It’s loud, proud, and built for riders who want their bike to stand out. That said, the optional dB killer can reduce sound levels for urban riding or areas with noise restrictions, offering a bit more versatility.

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Significant Weight Savings

Swapping out the stock KTM exhaust system for the SC1-R Carbon results in a major weight reduction. The OEM exhaust includes a large muffler and catalytic components that add unnecessary weight and bulk. The SC1-R Carbon, by comparison, is ultra-light.

This drop in weight helps improve acceleration, handling, and braking, all without touching your engine. For a bike like the Duke, which thrives on agility and responsiveness, this change is immediately noticeable—especially when flicking the bike through corners or diving into tight switchbacks.

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Premium Craftsmanship

Every SC Project system is handcrafted in Italy to exacting standards. The SC1-R Carbon features TIG-welded joints, CNC-machined mounts, and perfectly finished carbon fiber. The fitment is precise, and the finish is second to none.

You can see and feel the attention to detail in every component. This isn’t just a performance part—it’s a premium upgrade that enhances your Duke’s overall build quality.

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Quick, Hassle-Free Installation

The SC1-R Carbon is a slip-on exhaust, which means installation is quick and doesn’t require any cutting, drilling, or permanent modifications. It mounts directly to the OEM mid-pipe and uses the stock hangers for a secure, flush fit.

Most riders can install the exhaust in under an hour using standard tools. The straightforward installation process makes this one of the easiest yet most effective upgrades you can make.

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Street Legality and Regulations

As a high-performance system, the SC1-R Carbon is not homologated in many regions and is intended primarily for track or off-road use. It does not include a catalytic converter, and with the dB killer removed, it may exceed local noise limits.

Before installing it on a street bike, check your local laws regarding noise and emissions. SC Project does offer dB killers and homologated versions in select markets, giving riders more options for compliant use.

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Final Thoughts

The SC Project SC1-R Carbon Exhaust for KTM Duke 790 and 890 (2020–2023) is more than just an exhaust system—it’s a statement. It’s for riders who demand more performance, crave a bolder exhaust note, and appreciate top-tier engineering and craftsmanship.

From the moment you start the engine, you’ll feel the difference. The sound is richer, the throttle more responsive, and the ride more exhilarating. It looks phenomenal, sounds incredible, and brings real-world performance gains.

If you’re ready to unleash the true personality of your Duke, the SC1-R Carbon is the perfect companion.

Weight	9 kg
Dimensions	66 × 33 × 22 cm
Preferred Finish	Carbon Fiber, Titanium