The Subaru WRX STI 340R, a new performance upgrade that coincides with a headline ... with some good old-fashioned turbo lag if you’re in the wrong gear, but keep above those revs and this ...

This is the fastest, best handling WRX STI that Subaru’s in-house tuning ... twin-scroll ball bearing turbo, a remapped ECU and a low back pressure exhaust system that boosts low to mid-range ...

for the WRX S4 and ¥5,368,000 ($34,900) for the Levorg, making the latest top trim package a ¥275,000 ($1,790) upgrade over the standard STI Sport R EX trim cars on which they’re based.

When I drove the even hotter 2015 WRX STI in January ... one of the best all-around, all-weather performers money can buy – carried the day. Our WR Blue turbo darling has landed.