Duke 390 Stage 1 Kit

The N-Gage Hyper Flow Performance Air Filter is designed specifically for early-generation KTM 200 and 390 models manufactured before 2016. These motorcycles use a different airbox design compared to later BS4 and BS6 platforms, and this filter is engineered exclusively for that configuration. Built using premium cotton gauze filter media and supplied factory pre-oiled, the filter is designed to improve airflow over the stock paper element while maintaining effective filtration. The increased airflow supports cleaner engine breathing and sharper throttle response, particularly noticeable in mid-range acceleration. This air filter is washable and reusable, making it a long-term replacement rather than a consumable. When cleaned and re-oiled at recommended intervals, it is designed to maintain consistent performance across daily riding, spirited use, and varied riding conditions. This product is not interchangeable with later BS4 or BS6 KTM models. Fitment is strictly limited to the motorcycles listed below. Fitment & Compatibility Compatible  with the following motorcycles: BS3 KTM Duke 200 BS3 KTM Duke 390 BS4 KTM Duke 200 (early models) BS3 KTM RC 200 BS3 KTM RC 390 BS4 KTM RC 200 (early models) BS4 KTM RC 390 (early models)

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The Red Rooster Galactic Exhaust is engineered for riders who demand precision, power, and a cleaner tone from their KTM Duke 390(BS3 / BS4 /  BS6). Built from Grade 304 stainless steel and finished with advanced ceramic wool insulation, this exhaust is tuned to deliver a deeper sound profile, sharper throttle response, and a noticeable uplift in riding character. Every bend, weld, and contour is crafted to complement the Duke’s aggressive geometry. Thermal resistance keeps the tone stable even in harsh riding conditions, while the lightweight canister helps free up the bike’s natural agility. This isn’t just an upgrade—it’s a performance statement carved out of stainless steel. Whether carving through the city or leaning into weekend corners, the Galactic transforms every twist into a smoother, more expressive experience. Designed as a direct bolt-on replacement with no ECU mods required, it’s an instant enhancement for riders who want more feel, more tone, and more personality from their Duke. Engineered to outperform. Built to outlast. Tuned to thrill.

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The NGK Iridium IX LKAR8AI-9 spark plug is an OEM-spec ignition component designed for select KTM and Bajaj petrol engines where the LKAR8AI-9 spark plug specification is recommended. Manufactured by NGK to its Iridium IX construction standards, this spark plug is intended to provide consistent ignition performance and stable combustion when installed in compatible engines under normal operating conditions. Spark plugs play a critical role in petrol engines by igniting the air–fuel mixture inside the combustion chamber. Correct ignition timing and spark stability are essential for controlled combustion, dependable starting, and predictable engine operation. The LKAR8AI-9 is engineered to meet these requirements when used in engines that specify this exact plug code. Iridium IX Spark Plug Construction The LKAR8AI-9 features a 0.6 mm fine-wire iridium centre electrode, laser-welded to improve electrode durability under repeated heat cycles. Iridium is selected for spark plug electrodes due to its high melting point and resistance to electrode erosion when compared to conventional nickel-alloy materials. This spark plug also incorporates NGK’s ceramic insulator and resistor design, which are intended to support electrical insulation, suppress electromagnetic interference, and manage heat dissipation during engine operation. The plated metal shell is designed to resist corrosion and support durability during routine installation and removal. The LKAR8AI-9 is manufactured as a like-for-like replacement component. It does not alter engine tuning, ignition timing, compression ratio, or fuel delivery characteristics. Intended Application & Compatibility The NGK LKAR8AI-9 spark plug is specified for select KTM and Bajaj motorcycle engines only where this exact plug code is listed in official service or maintenance documentation. KTM – Direct Replacement Applications (BS4 & BS6) Duke 125 Duke 200 Duke 250 Duke 390 RC 125 RC 200 RC 390 Adventure 250 Adventure 390 (Gen 1 and BS6) Bajaj – Centre Spark Plug (Triple-Spark Engines) Dominar 250 – Centre plug Dominar 400 – Centre plug Pulsar NS400Z – Centre plug Pulsar NS200 – Centre plug Pulsar RS200 – Centre plug Pulsar AS200 – Centre plug Compatibility applies only where LKAR8AI-9 is the specified spark plug code. Engines using a different spark plug specification should not use this model, even if displacement or engine platform appears similar. Important Note for Triple-Spark Engines Certain Bajaj engines use a three-spark-plug cylinder head configuration. In these engines: 1 × LKAR8AI-9 is used as the centre spark plug 2 × CPR8EAIX-9 are used as the side spark plugs This product listing is only for the centre spark plug (LKAR8AI-9). Buyers should confirm the correct quantity and plug positions before purchase. Specification-Based Use Spark plug codes define critical parameters including: Thread size and reach Heat range Electrode configuration Terminal type Using the correct spark plug specification ensures proper fitment and correct thermal behaviour within the combustion chamber. Installing an incorrect spark plug may result in improper combustion or long-term engine issues. The LKAR8AI-9 is not intended as a universal performance upgrade. It is designed strictly to meet the specification requirements of engines that call for this exact plug code. Replacement & Service Considerations Spark plugs are routine service components and should be replaced according to the motorcycle manufacturer’s recommended service intervals. While iridium spark plugs are generally designed for improved durability compared to conventional nickel plugs, actual replacement timing depends on riding conditions, fuel quality, engine condition, and maintenance practices. The NGK LKAR8AI-9 is supplied as a single spark plug. Buyers should confirm the number of spark plugs required for their specific engine configuration before purchase. Installation should follow standard service procedures, including correct tightening torque and clean thread conditions. Summary The NGK Iridium IX LKAR8AI-9 spark plug is an OEM-spec ignition component intended for select KTM and Bajaj motorcycles where this spark plug specification is recommended. Built with a fine-wire iridium centre electrode and NGK’s proven construction standards, it is designed to support stable ignition and reliable combustion when used as a direct replacement in compatible engines. Correct compatibility verification and proper installation are essential before use.

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The N-Gage Hyper Flow Performance Air Filter for KTM 200, 250 & 390 (BS4 & BS6) is a high-performance replacement designed specifically for KTM motorcycles. It ensures consistent airflow while providing effective filtration and long-lasting durability. This KTM air filter fits a wide range of KTM platforms including Duke, RC, and Adventure models. It is perfect for riders who want to improve intake efficiency without compromising reliable engine protection during daily rides. Air filters are crucial for engine performance by controlling both the volume and cleanliness of air entering the combustion chamber. On high-revving KTM engines, any airflow restriction or uneven filtration can negatively impact throttle response, combustion stability, and overall ride smoothness. The N-Gage Hyper Flow KTM air filter addresses these concerns by offering increased airflow compared to traditional stock paper filters, while still maintaining excellent particulate filtration. KTM Air Filter High-Flow Cotton Gauze Filtration Design The N-Gage Hyper Flow Air Filter is crafted using premium organic cotton gauze. This material is layered to provide the right balance between airflow and filtration efficiency. Unlike disposable paper filters that restrict airflow as they accumulate dust, cotton gauze filters maintain more consistent airflow when properly cleaned and maintained. Additionally, the filter comes factory pre-oiled, enabling it to trap fine dust particles effectively without hindering airflow. According to manufacturer specifications, this KTM air filter allows up to 30% more airflow than stock filters. It filters particles as small as 5 microns, supporting better engine breathing across various riding conditions. Designed for KTM Performance Engines This KTM air filter is made for motorcycles equipped with 200cc, 250cc, and 390cc engines, compatible with both BS4 and BS6 platforms. It fits using stock airbox dimensions common to KTM Duke, RC, and Adventure models. Riders can install it as a direct replacement without needing modifications. Fitting directly into the factory airbox means it preserves the original intake design, sealing surfaces, and water protection. No cutting, drilling, or alterations are necessary during installation. Throttle Response and Engine Behaviour with KTM Air Filter The improved airflow provided by this filter can lead to sharper throttle response and smoother engine behaviour throughout the rev range. By reducing intake restriction compared to the stock paper filters, the N-Gage Hyper Flow Air Filter ensures consistent air delivery during acceleration and sustained riding sessions. This KTM air filter has been dyno-tested as stated by the manufacturer. However, actual riding results may vary based on riding style, fuel quality, maintenance, and engine condition. It is designed to function with stock ECU settings and does not require additional tuning after installation. Reusable and Long-Term Ownership Advantage Unlike conventional disposable air filters, the N-Gage Hyper Flow KTM air filter is washable and reusable. With routine cleaning and re-oiling using appropriate maintenance products, it can be reused multiple times throughout its lifespan. This makes it an ideal choice for riders who log high mileage, ride in dusty conditions, or prefer a long-term, cost-efficient solution. Proper maintenance is critical to maintain filtration efficiency and protect the engine over time. Tested for Mixed Riding Conditions KTM motorcycles are frequently used across diverse environments such as city riding, highway touring, track use, and off-road terrains. The N-Gage Hyper Flow Air Filter is engineered to ensure reliable airflow and filtration performance across these varied conditions. To maintain optimal performance, inspection and cleaning intervals should be adjusted, especially in dusty or wet riding environments. Compatibility Overview This air filter is compatible with these KTM models: BS4 KTM Duke 200 / 250 / 390 BS6 KTM Duke 200 / 250 / 390 BS6 KTM RC 200 / 390 BS6 KTM Adventure 250 / 390 Fitment is based on the stock intake configuration of these models. Installation and Maintenance Installing the N-Gage Hyper Flow Air Filter follows the same process as replacing the original stock air filter. It does not require specialized tools. Riders must ensure the filter is properly seated and sealed within the airbox to prevent any leaks or contamination. For best results, clean and re-oil the filter at recommended intervals using specialized air filter cleaning products. Avoid over-oiling as it can reduce filtration efficiency. What’s Included The package includes one N-Gage Hyper Flow Performance Air Filter, factory pre-oiled and ready for installation.

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PowerTRONIC V4 is a high-precision piggyback ECU engineered to unlock the real performance potential of KTM motorcycles. Designed for riders who demand quicker acceleration, sharper throttle response, and fully tuneable power delivery, PowerTRONIC V4 plugs directly into the stock harness with no cutting or permanent modifications. The V4 module controls both fuelling and ignition with high-speed processing, ensuring cleaner revs, stronger mid-range pull, and noticeably improved ride response in all gears. With dual pre-tuned maps, on-the-fly switching, and full software access for advanced users, PowerTRONIC V4 delivers a race-ready experience while maintaining everyday rideability. Built using automotive-grade components, the unit is fully water-resistant, heat-resistant, and rugged enough for touring, commuting, or track use. Whether you’re riding stock or with aftermarket exhausts and intakes, PowerTRONIC V4 adapts seamlessly to your setup.

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