hi eveyone
i have a 1.0L saxo year 01 with 60000 on it ino its crap but its a car.
how could i incress power output.
and would i lose power if my back box has a small hole init.

i have a 1.0L saxo year 01 with 60000 on it ino its crap but its a car.
how could i incress power output.
and would i lose power if my back box has a small hole init.