1. Exhaust System Kits Offered
  2. sku: 4518939781868693
  3. KOLIGHTNING 54HSW090999766

KOLIGHTNING 54HSW090999766 Exhaust Muffler Duke Slip 51MM

fits model: Rc390, 390, Adventure. year: 2021–2023.

54hsw090999766 Kolightning Slip On Exhaust 51mm 2 Inch Muffler Modified For Duke 390 Rc390 Adventure 2021-2023

( Brand: Kolightning ), ( Color: Like Picture Show ), ( Material: Stainless Steel ), ( Placement On Vehicle: Exhaust, Rear, Right ), ( Type: Exhaust Mid Pipe Muffler ), ( Features: 100 Accuracy Of Fit, Easy To Replace ), ( Manufacturer Part Number: 54HSW090999766 ), ( Finish: Polished ), ( Machine Type: Street Motorcycle, Off-road Motorcycle, Dual Sport Motorcycle ), ( Mounting Style: Bolt-on, Slip-on, Clamp-on ), ( Manufacturer Warranty: 1 Year ), ( Weight: About 1800g ), ( Custom Bundle: Yes ), ( Diameter: 2.0inch ), ( Modification Description: Modified For Duke 125 250 390 Rc390 2021-2022 Years ), ( Sound Level: Moderate ), ( Fitment: Modified For Duke 125 250 390 Rc390 ), ( Fitment 1: Modified For Duke Adventure 125 250 390 ), ( Fitment 2: Modified For Svartpilen / Vitpilen 401 ), ( Muffler Length: 310mm ), ( Db Killer: Included ), ( Installation Method: Slip On ), ( Muffler Type: Combination )

Review KOLIGHTNING Slip On Exhaust 51mm Inch Muffler Modified Duke fits ADVENTURE RC390 390 2021–2023

Introducing the Kolightning 54HSW090999766 Slip Exhaust Muffler, a high-performance aftermarket exhaust system specifically designed for the Duke 390/RC390 Adventure models from 2021 to 2023. This exhaust system is not only a visual upgrade but also delivers significant power and torque gains, making your motorcycle more responsive and exhilarating to ride.

The Kolightning slip-on muffler features a sleek, stainless-steel design with a 51mm diameter, providing a perfect balance between style and functionality. Compared to the stock exhaust, this aftermarket muffler reduces weight, resulting in improved acceleration and overall riding experience.

The Kolightning exhaust system is engineered with a high-flow, twin-chamber design that ensures optimal exhaust gas flow. This design not only increases power output but also enhances the motorcycle's exhaust note, giving it a more distinctive and aggressive sound.

Moreover, this exhaust system comes with a removable db-killer, allowing riders to choose between a quieter, street-legal exhaust note and a louder, more exhilarating sound for off-road use. The db-killer can be easily installed or removed without the need for any modifications to the exhaust system.

The Kolightning 54HSW090999766 Slip Exhaust Muffler is a direct replacement for the stock exhaust, requiring no additional modifications or adapters. It is designed to fit perfectly onto the Duke 390/RC390 Adventure models from 2021 to 2023, ensuring a seamless installation process.

In summary, the Kolightning 54HSW090999766 Slip Exhaust Muffler for the Duke 390/RC390 Adventure (2021-2023) is an excellent investment for those looking to enhance the performance and aesthetics of their motorcycle. With its sleek design, improved power output, and versatile sound options, this aftermarket exhaust system is sure to exceed your expectations.

Pros and Cons of Buying Kolightning 54hsw090999766 Slip Exhaust 51mm Muffler for Duke 390/RC390 Adventure (2021-2023)

I. Introduction

The Kolightning 54hsw090999766 slip exhaust 51mm muffler is a popular aftermarket exhaust system for KTM Duke 390 and RC390 Adventure models (2021-2023). This exhaust system is known for its performance benefits and aesthetic appeal. In this analysis, we will discuss the pros and cons of purchasing this exhaust system.

II. Pros

1. Improved Performance: The Kolightning exhaust system is designed to enhance the engine's power output by reducing backpressure and weight. It allows for better exhaust gas flow, resulting in increased horsepower and torque.

2. Enhanced Sound: The slip-on muffler produces a distinctive exhaust note, which is appreciated by many riders. The exhaust note is louder and more aggressive than the stock exhaust, adding to the overall riding experience.

3. Visual Appeal: The Kolightning exhaust system has a sleek and modern design that complements the Duke 390 and RC390 Adventure models. It adds a touch of customization and uniqueness to the bike.

4. Lightweight: The slip-on muffler is made of lightweight materials, reducing the overall weight of the exhaust system. This results in improved acceleration and handling.

5. Easy Installation: The Kolightning exhaust system is relatively easy to install, as it is a slip-on design that requires no welding or cutting. It can typically be installed in under an hour.

III. Cons

1. Cost: The Kolightning exhaust system is more expensive than the stock exhaust. This may be a deterrent for some riders who are on a budget.

2. Loudness: The exhaust system is louder than the stock exhaust, which may not be desirable for all riders. Some may prefer a quieter exhaust note for stealthier riding.

3. Maintenance: The Kolightning exhaust system may require more frequent maintenance due to its exposed design. It is also more susceptible to damage from debris on the road.

4. Compatibility: The Kolightning exhaust system may not be compatible with all aftermarket accessories or modifications, such as aftermarket ECUs or custom exhaust headers.

IV. Conclusion

The Kolightning 54hsw090999766 slip exhaust 51mm muffler is an excellent aftermarket exhaust system for KTM Duke 390 and RC390 Adventure models (2021-2023). It offers significant performance benefits, a distinctive exhaust note, and visual appeal. However, it also comes with some drawbacks, such as cost, loudness, maintenance requirements, and compatibility issues.

V. Recommendation

If you are looking for a high-performance exhaust system that produces a distinctive exhaust note and adds visual appeal to your Duke 390 or RC390 Adventure (2021-2023), then the Kolightning 54hsw090999766 slip exhaust 51mm muffler is an excellent choice. However, if you are on a budget, prefer a quieter exhaust note, or are concerned about maintenance requirements, then this exhaust system may not be the best option for you. It is important to weigh the pros and cons carefully before making a purchase decision.

Details:

Exhaust System. Condition: 100% Brand New, Quantity: 1 Exhaust Mid Pipe Accessories, Muffler Diameter: 51mm /2.0 inch. Mid Pipe of the Material: Stainless Steel. Installation Detail.

Model: A, B,C,D,E,F. A 51-38mm welding adapter might be included in the package, please remove if it is not needed installation. Slip on Exhaust 51mm 2 Muffler Modified for DUKE 390 RC390 Adventure 2021 -2023. To avoid bad quality or products are broken during shipping require clear pictures of and packages before.

5.Installation instruction is NOT included. Return item must be in original condition, sent the back to address we tell you. Installation: Slip On. It is more recommend that the DB killer should be installed into link pipe instead of exhaust.

Once the original front pipe has been modified, our link will not be applicable. Exhaust Front Mid Pipe. Fitment: Modified for DUKE 125 250 390 RC390 2021 2023 ; Adventure 2020 2023 ; Svartpilen / Vitpilen 401 2020 -2023. Installation Detail.

specifications exhausterupt:

  • for models: Rc390, 390, Adventure
  • for years: 2021-2023
  • brand: Kolightning
  • color: Like Picture Show
  • material: Stainless Steel
  • placement on vehicle: Exhaust, Rear, Right
  • type: Exhaust Mid Pipe Muffler
  • features: 100 Accuracy Of Fit, Easy To Replace
  • manufacturer part number: 54HSW090999766
  • finish: Polished
  • machine type: Street Motorcycle, Off-road Motorcycle, Dual Sport Motorcycle
  • mounting style: Bolt-on, Slip-on, Clamp-on
  • manufacturer warranty: 1 Year
  • weight: About 1800g
  • custom bundle: Yes
  • diameter: 2.0inch
  • modification description: Modified For Duke 125 250 390 Rc390 2021-2022 Years
  • sound level: Moderate
  • fitment: Modified For Duke 125 250 390 Rc390
  • fitment 1: Modified For Duke Adventure 125 250 390
  • fitment 2: Modified For Svartpilen / Vitpilen 401
  • muffler length: 310mm
  • db killer: Included
  • installation method: Slip On
  • muffler type: Combination

seller exhausterupt:

  • rating: 98.9%
  • # reviews: 803
  • city: Hebron, Kentucky

shipping exhausterupt:

  • class: Economy, Standard, Expedited
  • type: Fixed
  • transit: 3-8 Days
  • cost: $0.00
  • service: Economy, Standard, Expedited

returns exhausterupt:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Buyer

general exhausterupt:

  • Motorcycle Scooter Parts Accessories > Exhaust Emission Systems > Exhaust System Kits
  • condition: New other see details

offer exhausterupt:

  • sold: 0
  • availability: In Stock
  • best offers: True
  • options: Ship-to-home
  • started: July 16, 2025
  • quantity: 1

payments exhausterupt:

  • other
  • wallet: Google-pay
  • credit card: Discover
for models: rc390, 390, adventure, for years: 2021-2023, placement on vehicle: exhaust, rear, right, type: exhaust mid pipe muffler, features: 100 accuracy of fit, easy to replace, finish: polished, machine type: street motorcycle, off-road motorcycle, dual sport motorcycle, mounting style: bolt-on, slip-on, clamp-on, manufacturer warranty: 1 year, custom bundle: yes, diameter: 2.0inch, modification description: modified for duke 125 250 390 rc390 2021-2022 years, sound level: moderate, fitment: modified for duke 125 250 390 rc390, fitment 1: modified for duke adventure 125 250 390, fitment 2: modified for svartpilen / vitpilen 401, muffler length: 310mm, db killer: included, installation method: slip on, muffler type: combination,
category: motorcycle parts > motorcycle scooter parts accessories > exhaust emission systems > exhaust system kits, color: like picture show, weight: about 1800g, material: stainless steel, sku: 4518939781868693,

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