Your 2015 STi may be new and the most up-to-date Subaru model. However, it’s still limited to how much power it can put out. The full potential of your 2015 STi is just begging...
We’ve shown you the World’s First Tuned Intake System (for Subaru STi 2015) in its original form. But, Injen knows that there are STi owners out there who may want to go with a...
Cold air would run greatly in your STi 2015+. You’d have increased horsepower and torque. But, when there’s cold air running through your 2015 STi, there’s also heat. That’s why it’s critical to get...
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