Reply To: Custom air intake for 390 KTM big gains expeted !



Just to say that this airbox has a shorter air intake inside. It makes a big difference, awsome top end ( the power grows till the rev limiter) and pretty unoticable loss in low rpms. (and it fits like a charm)

  • This reply was modified 2 years, 2 months ago by AvatarJeanfons.