Ordered a 2017 WRX limited with Subaru STI exhaust. Would like to know what to expect with this exhaust:
- More power?
- Increased exhaust note - how is it for long trips?
- Increased fuel consumption - mileage impact?
I've heard some complain of drone with the STI upgrade exhaust on the WRX. I was able to procure the STI version of the upgrade exhaust which has a resonator that its WRX version doesn't have. The result is a slightly deeper tone, but no drone. No noticeable performance changes. It's too bad you can't order a new WRX with the STI P/N of the upgrade.
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