Best Impeller For Racing?

[munki63]

I have a SJ with a 9/15 Hooker Ive been told its the best for freestyle, what the best for Racing?

 

[superjetnj]

...

What other mods do you have?

 

[munki63]

b-pipe
35cc domes
msd cdi
dual 44protec intake maifold
dual cooling
and i think thats it

 

[QuickMick]

I have a SJ with a 9/15 Hooker Ive been told its the best for freestyle, what the best for Racing?

If your motor gets up to 6400-6500 rpm that prop is good or you can jump up to a 10-16. thats what I run 10-16 setback
This is what works for me though.