Alright I figure ill let some other people weigh in on this. I just got a 2010 XC skull bike, had to get rid of the 07 Jackpot, not enough room for me and the wife. It has D & D pipes, with no baffles, the S1 flash (according to the guy I bought it from the non CA tune, and it does feel a good bit faster than the 2013 S1 I test rode), and I think a Vic performance air filter. The only thing ive done so far is put in some Polk audio DXi525s. anyway im about to to spend a little bit of money on her, and I think I need a few go faster parts. I was thinking a Lloydz air filter, timing wheel, and maybe a fuel tuner. What are some recommendations? I was looking at the Lloyds or a PCV. Is the tuner even going to help with the S1 tune? Not really familiar with the 106.