Ok so I have a Polaris sportsman 400 ho (2013) and I had wondering if you guys could help me out with this atv pull I really don’t know what to do I made a bet with one of my dads friends that if I beat his Suzuki eiger that he would install my HMF Titian XL exhaust and rejet it for free so any tips their would help a lot. And also for rejetting the bike it is completely stock and I will only be adding the HMF exhaust and was wondering if you guys could tell me if the jet kit from HMF would work and if not what I should buy and if u really want to help what jets I should use. So thanks for helping and sorry I made this so long.