3D printed velocity stacks to help an ‘88 Yamaha FZR1000 run better

So this 1988 Yamaha FZR1000 landed in my garage without much advance notice or research as to what i was getting into. Long story short, it was missing the OEM airbox and filter, running ridiculous lean, and overheating. yada yada yada, we ended up designing velocity stacks, 3D