I just baught a 05 banshee and it has a off idle hesitation its sluggish from idle to the powerband.Once the powerband comes in it runs fine Is there a cure for this problem or is this normal for a banshee?It has fmf fatty pipes with powercore 2 silencers stock reeds k&n air filter I dont know if its been jetted what jets would be recomended for this exhaust system?