Hey guys.....I know this is a question that has been discussed in the past, but I cannot find it for the life of me.....Should the taller stack be in the front or the back?

 

Taller one is in the back. If you look at the 4 screw cover tabs on the stacks, one has an arrow on it. The arrow is in a different spot on each stack so that if you line it up to the arrow on the airbox they only fit one way... with the taller one in back...

 

Thanks for your help