i have around 500-550 to spend on pipes i found a new set with the jet kit for 530 shipped to my house on ebay my bike is stock i ride woods only i dont plan on beefing up the motor.i just like a nice trail bike to keep up with the 450 that all of my friends ride.i had t-5 years ago but im not sure if i should buy them again or get pro circut. thanks mike