15-08-2016, 09:06 PM
I'd go for the diff, they seem to make a huge difference to the useability of the power you have, probably better having the ability to use your power than the outright extra of theTBs unless your planning on doing alot of straightline.
Roll cage would be my second choice to stiffen and improve the handling.
Roll cage would be my second choice to stiffen and improve the handling.