im new around here .. n i juz got myself a sentra n16 (2001) .. i would like 2 do some modd 2 da car .. wut modification can i do besides an engine transplant? iam aware dat n16 is an under-powered car .. as its 2 heavy 4 a 1.6 .. so wut can i do 2 make da car perform better n add some additional horsepower 2 it ?? and also .. da car is using rear drum brakes .. is it possible 2 change 2 disc brakes ? if can .. how much is it goin 2 cost ?