you can spend lots of money in trying to upgrade your 2.7 engine. all your gonna get is maybe a better sound from your exhaust if you put it from the headers back and a very small hp increase. all the other improvements upgrades will give you small hp for the amount of money your gonna spend. I recommend saving your money if you want hp and changing your engine to a 3.2 0r 3.4 if your looking for hp.
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