tune aveo 1.3 TD

hi
have anyone tune the aveo TD?

i have uninstall the factory air filter withh a K&N and i have cut the mufler with a pipe

a haven't see any diferent is there anything else to do?

and something else where can i find the manual of the car?
i want to know what type of turbine it has?

thanks

i thing that i am the only one with aveo diesel?

is there any one else with thiw car?

they dont have the deisels in the states