What is the difference between the Mitsubishi Eclipse GT and GTS models?

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dmycot10

New member
I have the GT model of this car and am wanting to upgrade the engine. I know that there is a 10 horsepower difference between the two trims, but I'm not sure what the difference in the engine is.

Upgrades already done:
Full Borla exhase system(shorty headers back)
Cold air intake
 
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