95 Grand AM build
#111
#112
not all the time dude front facing with a large port will tune different than the same car with a rear facing box.Also the more power you add the lower your going to tune I/e my car im using 88 watts rms and it tunes @59 hrz and i hit 138.4 if i turn the same box around and seal it from the trunk to get the 138.4 out of it i have to tune @ 55