What enthuses people, he says, is seeing the fruits of their labours — such
as a new car catalyst — on the market on a timescale of a couple of years.
As for why the WRX produces only 227 horsepower from this engine, we figure it's because the
car is emissions - constrained in the United States (the WRX wears three
catalysts already) and also because a 280 - horsepower version would necessitate
new heads and plumbing that would push the base price over $ 30,000.