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Subaru » Impreza STI » 2008 -2011 WRX STI » 2008 -2011 WRX STI

Stage 4 - 300kw

The Stage 4 Kit for the MY09-11 Subaru STI includes the following components:

ECUTEK ECU Retune High Flow Cold Air Intake
XForce 2.5 inch Stainless Exhaust System
High Flow Top Mount Intercooler
High Horsepower Ball Bearing Turbocharger
Extreme Flow Injectors

 

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