i thought gxp's were quicker than that ? i ran 14.0 @ 97 mph in 96 degree temps in my gtp runnin headers 3.4 pulley cold air intake and dyno tuned .. now iv added intercooler and ported blower and ported intake and im runnin 16 degrees timing and spinning like crazy and go through at 13.9223 @ 98.49 mph .. not sure y my mph stayed same at the top end but dwnlow it has really picked up thnk im gettn kr up top and tranny feels horrible ..