Which of these would you rather have?
Seems I would use the midrange more but I just got 16t front( not put on yet) how much harder do I really need it to pull in the midrange on the streets?
06-09 ZX-14 Velocity Stacks
These precision machined stacks offer great performance gain for the ZX-14 by increasing the engine's dynamic compression.
25mm Mid Range Race Stacks
For all street and most race applications
+4-5 HP through midrange and +2 at the top end
P/N Description Price Order
0049-00112 06-09 ZX-14 25mm Midrange Velocity stacks $249.95
15mm Top End Race Stacks
For drag race applications only
+4-5 HP at the top end and +2 through midrange
P/N Description Price Order
0049-00111 06-09 ZX-14 15mm Top end Velocity stacks $249.95
K&N, pcV, full Brocks, 16t Vortex, Muzzy fan, roaring toyz lowered and stretched,EK green chain,Ivans block offs,green LEDs