If you ask Nick or Brian, spark plugs from Autozone must make your car faster because they say Nascar on them.
Just because it says Nascar doesnt make it fast....only means its more likely to increase the amount of poon you get because you now have racecar
2002 Grand Prix GTP: 3.5 MPS, SD headers, 180* t-stat, HAI, AL104's, Reptile Tune (SOLD)
2004 GTO: Stock, slow and purple.
see the TehBlacknPurplecar here ->>>http://www.grandprixforums.net/threa...slow-car/page8