'08 GTS 152HP @ 6000RPM 3032 lb 19.94 lb/HP '09 GTS 168HP @ 6000RPM 3043 lb 18.22 lb/HP only 12 pound difference and good ratio
i read somewhere that the 4b12 09 gts doesnt apply to the cali spec...09 gts cali spec with 4b12 is still 148hp no changes there...ive check out the dealer and saw the 09's with 4b12 has no change in hp...dont know about the other dealerships...
It's good that they made the upgrades, but if you're going for big horsepower (most likely a turbo) I don't think it would make that much of a difference in the end.