Description
2022–2024 KTM RC 390 Slip-On dB Compliant & Race Exhaust System
Upgrade your KTM RC 390 with our lightweight slip-on system, designed for both compliance and performance. This exhaust is available in two standout styles to suit your riding needs:
GP1R
Features a 60mm bore with a sharp, angular tip
Available in black, orange, or pure titanium
Optional carbon sleeve (over titanium) that lasts a lifetime
Weighs just 1.1kg
Sound tested at 90dB @ 4500RPM
Both variants feature full titanium construction for maximum strength and durability, along with advanced flow dynamics to improve performance. These systems offer a significant weight reduction over stock and a refined exhaust note that enhances the riding experience without being overwhelming.
The slip-on design makes installation a breeze—just bolt on and ride.
Important Notes:
Road Use: Non-homologated exhaust systems may not comply with local road regulations and are intended for race use only. Noise levels can vary significantly, from standard to extremely loud. Please review the specifications carefully before ordering. If you have any questions or need assistance, feel free to contact us.
Build Times: Our exhausts are built to order, with delivery times ranging from 6 to 10 weeks for standard systems and 10 to 15 weeks for more complex full systems. For the latest estimated delivery times, please visit Current Build Times. These timeframes reflect the handcrafted nature of our exhausts, which are produced by a small team in the UK, as well as the high demand for these limited products.
Exhaust Types:
We offer three types of exhaust systems:
Slip-On Exhausts: Replace the bike’s original muffler, leaving the mid-section (catalytic converter) and headers untouched. Slip-ons are a straightforward option to enhance sound and aesthetics.
De-cat Systems: Replace both the muffler and the mid-section (catalytic converter), while keeping the OEM headers. Offers improved performance and weight savings.
Full Systems: Replace the muffler, mid-section, and headers for a complete overhaul, maximising both performance and weight reduction.
Each system is designed to cater to different performance, sound, and aesthetic goals. If you’re unsure which option suits your needs, feel free to reach out—we’re here to help!
Design Updates: As each exhaust is handmade to order, our designs are constantly evolving to incorporate improvements. As a result, the final product may vary slightly from the pictures shown. These differences are typically very minor and represent the ongoing enhancements we make to ensure the highest quality. This adaptability is one of the unique benefits of owning a handcrafted exhaust.









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