04-07 WRX STI Performance Parts

Subaru’s first STI added a boost to the 2nd-gen WRX’s already-formidable performance. Kaizen Tuning can take this popular AWD platform to an even higher level of performance though our full range of services and products designed specifically for the 2004-2007 STI.

Select from the following components, and discover how Kaizen Tuning can help you achieve your AWD tuning goals.


Intake

Exhaust

Engine

Forced Induction

Fuel & Ignition

Cooling

Electronics

Drivetrain

Brakes

Suspension

Exterior

Interior
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04-07 WRX STI Tuning, Repairs & Installations

Bring your WRX in for maintenance, repairs, parts installations, and all out custom race builds!
View All WRX STI Services