STM PROJECT CARS | BUILDS & SPECS
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2015 SUBARU WRX & STi
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As we continue to develop and test more parts, we will continue to record our results.
STM Stainless Dual Exit Exhaust Upgrade for the 2015 WRX & STi.
Factory vs STM:
Factory vs STM:
COBB Pro Tuning available at STM.
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