BC Racing Swift Springs are one of the most searched BC Racing upgrades for the WRX and STI and one of the least understood. Most owners know they exist but are not…
The most common WRX and STI build mistake is buying mods in the wrong order. A tune without supporting mods. A big turbo on a stock block. An exhaust before the fueling…
Upgraded transmission mounts are one of the least talked-about drivetrain upgrades on the WRX and STI and one of the most effective for improving shifting feel and drivetrain stability. The stock mounts…
The best clutch upgrades for the WRX and STI match the power level and how the car is driven. The stock clutch handles factory power well. As boost and torque increase, it…
The best intercooler upgrades for the WRX and STI drop intake temps and support more consistent power delivery as builds grow. The stock intercooler handles factory boost levels well. As soon as…
The best oil catch can for the WRX and STI is one built specifically for the platform. Oil blow-by is a known characteristic of the EJ and FA engine family. Combustion gases…
OLM is one of the most recognized brands in the WRX and STI aftermarket for a reason. It is not because they make one iconic product. It is because they cover the…
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…