help me to get more porwer

[xbacax]

hi

i wolud like to make my beetle little bit stronger.
please help me, and write step by step what should i do? which parts should i choose? and how much will it costs, and how much will it increase power.

please help me.

becouse i'm not so good in engines...please write in the easy way

the things i've done so far, are.... K&N air filter ( this one you put in air box)
i've changed exhoust and i've got some chip (which i don't know how good it is) sorry Manfred that this chip is not one from Yours but i didn't know about this site, when i was changing it.

best regards
baca