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KTM Duke Series (17-25) DNA Air Box Cover Stage 2 P-KT3N20-S2

79.80

Part Number:

DNA-1608DNA-KTM-DK250

Barcode:

5210119085071

Availability:

Available

Manufacturer:

DNA Filters

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Description

The DNA Stage 2 Kit, can be either a DNA filter or a DNA cover that is designed to replace a part of the air box, seriously increasing air flow to the engine. With the proper fuel recalibration the results are always very impressive.

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Filter Use

Road, off road & race use

Box Includes

Cover

Fitment Type

Vehicle Specific

Filter Design

DNA's Advanced FCd

DNA Part Number

P-KT3N20-S2

OEM Cross Reference

93006002000 OEM AIR BOX COVER

Stage Application

Stage 2

K&N Cross Reference

KT-1217

Filtering Efficiency

98-99%

Increase in Air Flow

95.99%

DNA Air Filter Air Flow

73.30 CFM

OEM Air Filter Air Flow

37.40 CFM

DUKE- 125(2017 - 2023)
DUKE- 200(2020 - 2025)
DUKE- 250(2017 - 2023)
DUKE- 390(2017 - 2023)
  • This new Stage 2 Air Filter features DNA®’s advanced FCd (Full Contour design) and designed to work exclusively with the DNA stock replacement air filter. Correctly used it will increase the airflow, torque andpower of the engine.
  • Installation info are included with this new DNA Stage 2 Air Filter.Fuel injection recalibration is suggested but NOT necessary.
  • The filtering efficiency of the assembly with the DNA Stage 1 Air Filter (P-KT3N18-0R) is extremely high at 98-99% filtering efficiency (ISO 5011).
  • The airflow of this new DNA Stage2 Air Filter (P-KT3N20-S2) combined ALWAYS with the DNA Stage 1 Air Filter (P-KT3N18-0R) is +95.99% over the KTM / HUSQVARNA stock application!
  • Stock air box with DNA S1 & S2 air filter flow: 73.30 CFM(Cubic feet per minute) @1.5” H2O corrected @ 25 degrees Celsius.
  • Stock air box with KTM/HUSQVARNA stock paper filter air flow: 37.40CFM (Cubic feet per minute) @1,5” H2O corrected @ 25degrees Celsius.
  • This DNA® Stage2 Air Filter is designed for:‘Road, Off Road & Race use'.
  • Fuel recalibration is suggested.

  • It is a dirty job, but somebody has to do it!" Find out how a DNA High Performance Filter works to protect your engine efficiently, without compromising performance!

    The "technology" that our DNA filter uses to clean the air is surprisingly common to all of us. It is part of our body; we use it constantly to stay alive! It is part of the Human respiratory system that filters the air we inhale! Tiny moistened hairs called cilia protect the nasal passageways and other parts of the respiratory tract, filtering out dust and other particles that enter the nose with the breathed air. The DNA filtering cotton media is exactly that, millions of tiny fibers that are oiled!

    The "hairy hybrid" as we call it, is a genius combination of cotton fibers per square millimeter. The Tex & Thread, of this unique cotton, is a result of intensive research, by DNA's development engineers. The "hairy hybrid" impregnated with DNA's special filter oil, is transformed into the remarkable DNA media that provides very high filtering efficiency and extremely high flow rates.

    We designed the DNA Filter to acquire a positive static charge as the air passes through the pleated and oiled filter media. The weak static charge will very efficiently "pull" on the oiled cotton fibers, the debris and dust that are in the air; remember in science class at school, the pen rubbed against wool that can attract small bits of paper, experiment? This is exactly what happens, as the air flows through the filter, debris even as small as 5 microns will change course and stick onto the fibers, regardless if the "holes" between the fibers can be as large as 150 microns! The first layer of debris on the fibers will then absorb some oil, get statically charged and become part of the filtering media! And guess what, it will start attracting new debris assisting the cotton media in its filtration chore!Finally debris will continue building up on the surface of the filter, as air passes through, until it is totally covered (see photos below).

    Our filters have being successfully tested even in the harshest environments during the DAKAR Rally! Through Argentina up to the Andes, and down to the Atacama Desert in Chile. The dreadful "Fesh-Fesh" (Guadal) fine powder desert sand of the Atacama Desert, was succesfully kept out of the race engines, outperforming the foam filters!

    So the myth is busted, the DNA filters can successfully be used in any environment, on and off the road, in the desert or the outback, DNA will be there to protect you.

    The DNA filter will also smoothen out the air flow stream, as it passes through the filter, reducing turbulence and sending smooth clean & fresh air towards the engine intake, increasing torque and power. Additionally to the high air flow, smooth and unified air flow is very important. This explains why we see a decrease in the power output when testing a bike or car on the dyno "without" a filter as the circulation of the air in the air box is disturbed and the result is turbulence and low power output.


  • Mass of the air,
  • Flow of the air,
  • Temperature of the air,
  • Absolute air pressure,
  • Differential air pressure,
  • Speed of the air at various points (Pitot tubes),
  • Absolute humidity of the air.
  • Air Flow Chart

    Power by quality you can trust!

    The DNA High Performance Air Filter P-KT3N20-S2 +95.99% % increase in air flow & 98-99% % filtering efficiency

    37.40 CFM
    Stock Air Filter
    73.30 CFM
    DNA Warranty

    Power by quality you can trust!

    We, at DNA, proudly introduce a filter that can last the life of the vehicle. Strict quality control for construction & materials, chosen only by their highest quality, are some of the factors that allow us to offer a Lifetime Warranty!

    1. The DNA Cotton
    This very special cotton is designed by DNA's R&D engineers for High Performance filtering purposes. The basic media is a non woven surgical cotton gauze with a modified TEX & THREAD, with extremely high strength of break. This unique cotton media, actually is a "hairy hybrid" featuring extremely high air flow rates and excellent filtering efficiency that exceeds 98%.
    Product Videos

    Watch our videos for instructions and tips about our products on YouTube.

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    DNA Guarantee

    Lifetime Warranty!

    The DNA High-Performance Filter is a next-generation, high-quality air filter made of multi-layered, 100% cotton gauze, infused with special DNA oil.

    image

    Human "technology" inspiration!

    The technology that our DNA filter uses to clean the air is surprisingly common to all of us. It is part of our body; we use it constantly to stay alive! It is part of the Human respiratory system that filters the air we inhale! Tiny moistened hairs called cilia protect the nasal passageways and other parts of the respiratory tract, filtering out dust and other particles that enter the nose with the breathed air. The DNA filtering cotton media is exactly that, millions of tiny fibers that are oiled! This “hairy hybrid” as we call it, is a genius combination of cotton fibers per square millimeter. The Tex & Thread, of this unique cotton, is a result of intensive research and testing, by DNA’s development engineers. The “hairy hybrid” impregnated with DNA’s special filter oil, is transformed into the remarkable DNA media that provides very high filtering efficiency and extremely high flow rates.

    Trap "enemies" by static charge!

    We designed the DNA filter to aquire a positive static charge as the air passes through the pleated and oiled filter media. This weak static chargewill very effectively “pull” on the oiled cotton fibers, the debris and dust that are in the air; remember in science class at school, the pen rubbed against wool that can attract small bits of paper, experiment? This is exactly what happens, as air flows through the filter, debris even as small as 5 microns will change course and stick onto the fibers, regardless if the “holes” between the fibers can be as large as 150 microns! The first layer of debris on the fibers will then absorb some oil, get statically charged and become part of the filtering media! And guess what, it will start attracting new debris assisting the cotton media in its filtration chore! Finally, debris will continue building up on the surface of the filter, as air passes through, until it is totally covered.

    Extreme testing environment

    Our filters have being successfully tested even in the harshest environment during the DAKAR Rally! Through Argentina, up to the Andes, and down to the Atacama Desert in Chile. The dreadful “Fesh- Fesh”(Guadal) fine powder desert sand of the Atacama Desert, was successfully kept out of the race engines, outperforming the foam filters! So the myth is busted, the DNA filters can successfully be used in any environment, on and off the road, in the desert or the outback, DNA will be there to protect you.

    Here comes increased torque & power

    The DNA filter will also smoothen out the air flow stream, as it passes through the filter, reducing turbulence and sending smooth clean & fresh air towards the engine intake, increasing torque and power. Additionally to the high air flow, smooth and unified air flow is very important. This explains why we see a decrease in power output when testing a bike or car on the dyno “without” a filter as the circulation of air in the air box is disturbed and the result is turbulence and low power output.

    The DNA Air Flow Tests

    For the air flow tests, we use the most advanced flow bench available today. The ROTRONICS FlowScan, is a totally computerized flow bench that measures:

    • Mass of the air
    • Flow of the air
    • Temperature of the air
    • Absolute air pressure
    • Differential air pressure
    • Speed of the air at various points (Pit ot tubes)
    • Absolute humidity of the air


    The complete procedure is automated and computer controlled, eliminating human errors.

    The DNA Dyno Tests

    For the Dyno Tests, we use the industry standard Dynojet chassis dyno equipped with eddy current load control, Dynojet 250LC. Our dyno cell is equipped with a variable flow air cooling system, designed to precisely simulate real world conditions.

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