Japanese branded parts usually have better fitment, better quality finish and if you're talking about exhausts/mufflers, better sound.
However, there will be very little difference (if any) in power between no-name and branded.
By the way guys, I'm probably going to eat in Maccas at 9am so if you want to rock up for brekkie and you see a small lonely Asian guy eating Maccas its probably me.
Yes slim is requesting this on behalf of all the NSW Postwhores
Also the wink smiley looks retarded. It looks like the face has been smashed in -
It should look more like: