it also depends on the pipe you are running to in all my engines i run the 8mm insert and os 2050 pipe on one ninja and the fuel mileage is about 12 mins of run time. the other ninja i run the long header and ninja pipe and get about 11 mins of run time and that is in a truggy engine is still new too. thanks nate
Last edited by mungen; 12-27-2008 at 10:49 AM.