Quote:
Originally Posted by Jegan_V
Actually of those options, the turbo will be the one that's easiest to pass emissions regulations of the three. A larger displacement engine is better of the three on the fuel economy side(CAFE). The supercharger is the one that will get shafted because it does neither of those well. The issue with going turbo though...making sure it doesn't cause issues for the warranty department. Its the big reason why many would like to see a factory turbo rather than going aftermarket, having that powertrain warranty there is very reassuring. If there is going to be a big engine change, I do think its likely going to come in the form of a 2.5L, as this would be ideal to increase this car's power while at the same time for Subaru makes it easier to finally replace the EJ25 in their whole lineup including the WRX STi.
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Im with you with the whole 2.5l engine upgrade but I guess we will just have to wait and see.