i want a light weight pipe coming from my header to my side door area.

this is strictly for the track. i just want to save a few pounds and have my **** pointing towards the crowd so its super loud. fack them hill billy haterz. last time i was running open header they were talking **** messin up my launch

does anyone have this? can i just run like a flared pipe then a 90 degree? btw i have a jdm dc sports header.