Originally posted by TeHJuSTiN
You can't do much with an intake on a GS-T since you can't bypass the MAS. Also there's no such thing as a header on a gst. And exhast can range anywhere from 5hp to 20whp... be more specific.
well it all depends on if its a 1g or 2g GST
the 1g can make a lot of HP on the stock turbo, if you know what your doing
of course 1G AWD cars with a 14b have hit high 12's with 3in turbo back, MBC, a better fuel pump and some other cheap and easy mods, we are talking stock sidemount also.
~boom