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.
04-07 Subaru WRX STI Parts Categories
Fuel & Ignition