heres a few...
cai = cold air intake
det = sr20det
ve = sr20ve
mm = motor mounts
hs = hotshot
fwiw = for what its worth
imho = in my honest opinion
rofl = rollin on floor laughin
pr = place racing
jwt = jim wolf technology
moti = motivational engineering
tc = truechoice
gc = ground control
ss = short shifter
10:1 = refers to the jdm sr20de with 10:1 compression
n2o nos = nitrous
fmic = front mount intercooler
maf = mass air sensor
o2 sensor = oxygen sensor
i cant think of anymore