hello guys!

im very new here and about to end my college years. i know little about cars although i have friends that are into it. hiya ko lang mag ask and ask.

my family recently bought a toyota altis 1.6e. although it is a reliable car, i would want it a little faster sana. the hp rating is somewhere around 116.

what is the cheapest way to increase its horsepower?
what is the safest way to increase its horsepower without going to the extreme, say, replacing the whole engine? (sowi po, wa me alam).
;)

thank you so much.