ok im trying to find an answer to this problem asap. since my headers car coming in a week. will i need to add header collectors or reducers for back pressure or can i just leave the headers as open headers?
im looking for the most power i cant get sound doesnt matter. right now i have stock exhaust manifold on my car with just y pipe. when my headers come i plan on putting them on asap. i dont want to go y pipe again since im looking to keep it true dual. please help me.