Originally Posted by kender
with just those bolt ons it won't be that much faster, and the vafc won't help either. keep the settings to the factory settings and when you get some mods that make power have it tuned.
i dont think its a bad idea to get tuned even with what mods he has. i got my gsr dyno tuned w/my vafc and was able to get an extra 7hp out of it. i thought it was worth it.
looks like he changes his original question. as far as your new question, you should go to the
apexi webpage and get the manual on the controller and do some reading.