My WRX STI Type RA needed to get it's fluids changed, but I also waned to do something else. Subaru has always been known for the boxer engines and the STI is very unique because of the 2.5L turbocharged flat-4 that is under the hood. I decided after 5 years of ownership to change out the exhaust. Is my 2018 Subaru WRX STI Type RA a BETTER performance car with an AWE exhaust?
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videography: Steven Flood 🎥