Hi, intending to transforme this nighthawk into à Café Racer, i have this question to help me decide into the steps to follow in changing the pipe for a 4 into 1, changing the pods and the original carburator modifications, meaning the getting and idling getting. I know that cheep pipes are rinning around and they make too much noise, so i would li quality pour Under 700,oo$. What are the suggestions for the three elements i need? Thank you.