Sorry about the million questions I have all over the forums like I stated before I am new to RC's in general. So I always do a lot of research before buying upgrades for MT and I found a thread on here and a link that RC Dad and posted about the HPI air filter with ShreadStack (Velocity Stack) set up that should be used for the MT. My problem is how do you install the stack? It goes between the carb and the air filter correct? I can't get the holes for the bolt to line up and are the bolts that come with it going to be long enough?