What mods do you need for Stage 2?

The required hardware for their stage 2 software includes a full turbo-back exhaust with a sports-cat and a high-flow air intake. They also recommend an uprated intercooler, uprated engine mounts, and an uprated throttle pipe.

Does Cobb Stage 1 pass emissions?

Tunes do not disable the o2 heater circuits as far as I know. COBB stage 1/2 leave the emissions system on so you should pass (idk about California). COBB stage 3 turns off the rear o2 sensor and you won’t pass. Some custom tunes do this as well.

Is there a stage 3 kit for Subaru WRX?

At least one company, GrimSpeed, is selling a Stage 3 kit for the 2015+ Subaru WRX. GrimSpeed’s Stage 3 kit includes an intake and j-pipe, which alone would either be Stage 2 or 2+ depending on who you ask, as well as an intercooler, charge pipe, and EBCS.

Can a WRX go from stock to Stage 2 +?

In this instance we took the very popular 2011 Subaru WRX and went from stock to Stage 2+ and dyno’d it between the major steps to show the gains. This is a typical WRX which was purchased second hand from a Subaru dealer and there’s nothing really noteworthy about it’s history.

What kind of exhaust system does a Subaru WRX use?

COBB is a huge name in the Subaru tuning community. Anyone who’s modified their 2015+ Subaru WRX will have a COBB AccessPort, with open source tuning not being an option for these models. COBB’s Stage 2+ kit includes a full turbo-back exhaust system, meaning a catback system with the addition of a j-pipe.

How does Touge tuning work on a Subaru WRX?

At Touge Tuning we strive to provide as much useful information as we can to help you understand what you’re getting when you modify your Subaru. In this instance we took the very popular 2011 Subaru WRX and went from stock to Stage 2+ and dyno’d it between the major steps to show the gains.