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  1. KTM 390 Adventure Engine And Technical Discussion
    I saw many people recommending reusable/washable high flow air filters. Fort9 said in one of their videos that oem air filters do not make sense, but I beg to differ. The price of K&N air filter is like ~$65 while the price of regula paper filter is ~$25 (you can find one for ~$15 from China)...
  2. Asia
    I have ordered a stock replacement K&N air filter for my 2014 Duke 390....will I have to do any tunings or have to install the powertronic ecu?? ...I've seen many other reviews and it made me even more confused..what shall I do? will it harm the engine or do any change in performance if I just...
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