Getting street ported should I go with RB flash or Cobb
 

RB Ported Flash is 300 bux
Cobb is 600 bux


It seems that regardless of tune, street ported rx8 gets about 210 whp or so, should I just save the 300 bux for something else.

That power assumption is pretty bold.

However, there are other advantages to being able to adjust your own flashes. MazdaEdit is another alternative to the Cobb.