2008 WRX Sedan Stage 2 & 3 Dyno Tuning and Intake!

By Perrin Performance
We left our rather boring but tuned 08 WRX much faster than it started out but it was dying to get more power. While we were the first to tune the 08 WRX using an AP (not to mention first to tune an 08 WRX period with the Hydra) it was early enough in our development that we didn't have an exhaust ...
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