I have a 91 RX7 vert NT. I upgraded exhaust to racing beat system.
That boosted more power. Is there another step to get even more power to the car, and if there is what is it?? Thank you to all for previous recommendations!!!

 

by "NT" i suppose you mean non-turbo, or NA. Anyways, you should do a search on 'building a beefy NA' and save yourself the abuse of those pissed you didn't search. Also, first off, get rid of weight and things not needed, then look to mods to exhaust and intake; maybe porting of TB and IM- you know there is also the obvious handling upgrades.

 

TII swap. Period.

Oh and, please search.