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Old 11-17-2012, 01:34 PM   #4
Scooby Specialist
Member#: 284792
Join Date: Jun 2011
Chapter/Region: RMIC
Location: Vanilla Valley, CO
2011 STI


^^ This ^^ It doesn't matter if the previous owner had an AP. The intake on your car was designed for previous generation WRX/STi's. Why it's even on your car is beyond me. Follow what the guy above said and get a stock airbox. Check too if you have an aftermarket downpipe installed too. Those two mods in combination with the already ishty stock tune... Get that looked at and fixed ASAP!
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RoadKillDMD is offline   Reply With Quote