Are 315s worth it?

The Hitting is more like a Rub When The exhaust moves alot All you have to do is while installing cut off a portion of the Excess Metal on the gas tank so the exhaust is closer to it! I fixed this problem and it is fine now!
 
Um I am thinking of getting the 335s the next time, but its will be VERY close. My exhaust is WAY away from the tire, its that little black strut that pretty close, I would have to switch it around where the thin part is up top closest to the tire, then I think it will make it.