piping is universal its left over from what they didnt use- heres the count of types of pipes in there left-
4-45degree bends-measures length- 5.5"
5-90 degree bends-measures length -11"
1-straight -length- 11"
4-straight couplers
4-90degree couplers

and that big long one is my cut up intake piping also will be thrown in with those 2 blue couplings.