What Is a Stage 2 STI?

The GrimmSpeed Stage 2 Power Package is a well-rounded kit, offering increased power and torque output thanks to reduced restriction before and after the turbo, as well as a more aggressive street presence thanks to the intake and exhaust tones.

How much horsepower does a Stage 2 WRX have?

The Stage 2+BigSF Power Package includes an Accessport V3, 3″ Stainless Steel Turboback Exhaust (Resonated), Subaru Big SF Intake System, and COBB Vehicle Badge!

What is the 0 60 time for a Subaru WRX STI?

We drive the special edition WRXs before this generation is retired.

What does Hwg mean Cobb?

2) HWG is a map tuned for high wastegate pressure if you aren’t hitting target boost.

What should my Stage 2 STI WHP be?

Stage 2 STI should produce around the 290-310 whp, depending on quality of tune, elevation, mods, etc….. and run somewhere in the neighborhood of 12.8 – 13.2… again, depending on mods. An 02-05 WRX, with a Walbro 255, a set of 850cc injectors, a full TBE, a 20G turbo (minimum)… and a PROPER tune should do the trick.

What can I add to my WRX STI Stage 2?

Many people often throw in a few extra modifications to their cars when going stage 2 that can allow for even more power without compromising driveability or reliability. These modifications include larger fuel injectors, a better fuel pump, a front-mount intercooler, equal-length headers, a boost controller,…

How much does it cost to modify a Subaru WRX STI?

These modifications include larger fuel injectors, a better fuel pump, a front-mount intercooler, equal-length headers, a boost controller, and an external waste gate. Cost: as much as $3,500 on top of stage 2, but you don’t have to do all of it at once or buy everything brand new.

How big of a turbo do you need for a STI?

Just consider everything, because you will have to spend a lot of money to go further. The stock turbo maxes out around 350awhp, and is losing top-end boost well before that. If you want a strong 330awhp or more from an STi, you need a bigger turbo.