Thread: 2003 gtp Exhaust ?

Originally Posted by Liquifire

I dont know about your altitude or what you ran stock, but at normal altitudes a stock gtp runs low 15's. At standart altitude and with the supporting mods and a good tune a 3.4 gtp should run somewhere in the low 14's or high 13's(with very good tune)

This thing ran 15.9's at 9700 feet of corrected altitude!! stock. So 15.0's at this altitude is about right.