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2004 - 2007

With its mechanical all-wheel-drive system and 2.0L boxer motor, the WRX was tame enough to drive every day and ferocious enough to take on cars with three times its displacement.

We have hands-on experience with almost every part in our catalog. From the early days of piggy-back fuel controllers and 2.5" downpipes to the later years of rotated-mount GT40 turbos and ECU reflashes, ACEP has seen the Subaru WRX & STI aftermarket develop into one of the most extensively supported enthusiast communities in the US. We’re proud to continue to be a part of it.
ACEP has the parts and knowledge to help you get the most out of your STI.

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