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DNA

DNA High Performance Stage 2 Air Box Cover KTM Duke 390 2017+

DNA High Performance Stage 2 Air Box Cover KTM Duke 390 2017+

P-KT3N20-S2

$71.39 USD
$83.39 USD $71.39 USD
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DNA Air Box Filter Intake Cover Stage 2 for KTM 390 Duke features DNA's advanced FCD (Full Contour design). The filtering efficiency is extremely high at 98-99% filtering efficiency (ISO 5011), with 4 layers of DNA Cotton.

The flow of this new DNA Air Box Filter Intake Cover Stage 2 (DNA-P-KT3N20-S2) combined with the DNA Stage 1 Air Filter (DNA-P-KT3N18-0R) is very high, 95.99% more than the KTM stock application. DNA S1 & S2 Fcd air filter flow: 73.30 CFM (Cubic feet per minute) @1.5"H2O corrected @ 25 degrees Celsius. KTM stock paper filter: 37.40 CFM (Cubic feet per minute) @1.5"H2O corrected @ 25 degrees Celsius. *Kit doesn't include Stage 1 filter (sold separately).

TECHNICAL FEATURES 

  • Drop-In Hassle Free Installation (simply follow the information in the workshop manual)
  • Lifetime Warranty 

FITS 

  • KTM Duke 390 (2017+)
  • KTM Adventure 390 (2020+)
  • KTM RC 390 (2022+)
  • Husqvarna Vitpilen 401 (2018+)
  • Husqvarna Svartpilen 401 (2020+)
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Customer Reviews

Based on 43 reviews
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J
John P.
Good quality

The air filter fitted well to the air box. Good upgrade for cheap price. I will be pairing it with velocity stacks soon.

u
ukod
The perfect upgrade filter

Another high quality air filter from DNA! Superior molding to K&N and the most filter surface area you can squeeze into the stock airbox. It’s a super easy upgrade with no downside. Go for it!

M
Muffler P.
More air flow

The DNA air filter has way better air flow than the stock filter while keeping your intake tract system squeaky clean!

T
Tim G.
DNA air filter for Yamaha FZ-09

Keeping dirt and debris out of your intake system is one of the best ways to prolong your engine life and I have found that DNA filters do a very good job of doing that. I installed a DNA air filter on my 2016 KTM 1190 Adventure when I first got the bike. I had never herd of DNA air filters before then. KTM recommended DNA filters for extreme conditions and to maintain the factory warranty that was the only option they would approve. After several months of use in some pretty dusty conditions the DNA filter worked really good. There was no signs of dust in the air box on the intake side. That is why I am installing a DNA air filter on my Yamaha FZ-09. Graves Motorsports answered all my questions about installing this filter on my Yamaha and they had the best price.

C
Chand
DNA is the best you can buy

I have done ALOT of research on what air filter is best for mt09, and between power gain and filtration quality dna seems to be the best, it’s one of the only filters to give a real gain while not having ridiculous maintenance intervals like a sprint filter. I had one on my fz-07 and I don’t foresee ever using anything else, graves was an awesome place to buy through, quick to send me my product and kept sending me update emails, awesome company to buy from with some amazing products

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