newb tuning ??

[t/a for life]

I need to lean my car out can i find a buddie that has a hp tuner or do i need to take it to an acual "tuner" to get my car leaned out? Cuz if i dont have to spend 400 on the tune then i dont wanna. Sorry for the newb ? but had to ask thank you....

Its on a sd tune and running rich cuz it had n02 but now i took the n02 off and i dd my car everyday and im wanting to throw a maf back on it....any info on what direction i should do would be great thxs again guys....

-Travis