Hi there I have an 88 rx7 13b NA. I have air intake and exhaust on it but i want more power. I have a main vehicle to drive i just want this to be like my race car! What can i do next for more power. I want to start cheap maybe eventually get to bigger and better things! Thanx

 

https://www.rx7club.com/showthread.p...ighlight=beefy

Also, search. This topic has been discussed many times and you should be able to find a wealth of information.

 

Turbo swap or big ports. Both are expensive.