You know what is funny? I was hoping you would be the one to reply. Thank you for all of the info! I got to tinker with my brother in laws X22R Max. Problem is, when I finally decided I wanted one, he up and sold his and he had no info to provide me lol. So with that being said, are you suggesting leaving on the 13T? I do apologize if it is a redundant question. I just got into modding these bikes with my X22. A lot of fun with the trial & error process. The reason I was choosing to delete the air box and use a can am filter with hose attachment is because MJTech deleted the airbox from the Vitacci TITAN 250 EFI Motorcycle, Manual 6 Speed, which I was using as a reference.