wats the bext ems fir rx7
 

wat do u guys think is the best ems for the rx7 and which one is the best bang for buck

There is no best EMS.

The best EMS is the one you are familiar with.

Failing that, the best EMS is the one your tuner is familiar with.

Commonly used EMSs on the RX-7 are the Haltech, Microtech, PowerFC, Megasquirt.

What kind of RX-7?

Like Aaron Cake said, the "best" EMS's depend on the type of car, your tuning (or tuner's) preferences, and what performance level you expect.