The COBB Accessport is the most recognized tuning device in the WRX and STI community. Most owners know they want one. Fewer are clear on exactly what it does or whether the…
The best air intake upgrades for the WRX and STI are also some of the most accessible performance mods you can do. No lift required. No major supporting mods needed. The improvement…
The WRX and STI already have strong visual character from the factory. The hood scoop, the aggressive stance, the rear spoiler on the STI — the bones are good. Exterior upgrades are…
More power means more heat. On a turbocharged platform like the WRX, that heat shows up in three places: the intake charge coming from the turbo, the engine coolant, and the engine…
The most common big turbo WRX mistake is installing the turbo before the car is ready for it. A bigger turbo on an unprepared build does not make more power reliably. It…
The stock halogen headlights on the WRX and STI are one of the most common complaints in the community. The output is dim. The color temperature is yellow. The throw at speed…
The intake is one of the first upgrades most WRX owners consider, and it is also one of the most debated. Cold air or short ram — both show up constantly in…
If you have been researching OLM tail lights for your WRX or STI and ended up more confused than when you started, you are not alone. The Evolution and the NB+R come…
Not all exhaust upgrades deliver the same results on a WRX. A catback sounds different from a downpipe, and a turboback is a different conversation entirely. Understanding what each option actually does…
The stock FA20 turbo in the WRX is not a bad unit. It spools quickly, handles daily driving well, and supports a solid power level with the right tune. But once the…
The exhaust is one of the first upgrades most WRX and STI owners think about, and for good reason. It is one of the few modifications that improves performance, changes the sound,…
At some point, the stock engine becomes the ceiling. You can upgrade the turbo, dial in the tune, switch to E85, and eventually the block itself is what stands between you and…
Engine mounts are one of the most overlooked upgrades on the Subaru WRX and STI, yet they play a critical role in how the car feels, shifts, and puts power down. From…
Fuel system upgrades are one of the most misunderstood parts of building a Subaru WRX or STI. Many owners assume bigger injectors are only needed for extreme builds, while others upgrade them…
Subaru WRX and STI platforms are known for performance, but they are just as well known for engine failures when pushed beyond their limits. Whether you are driving a Subaru WRX, Subaru…