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ciara · 01-12-2004, 04:54 AM

My car put out about 500 hp. Should I be running open headers or put on a race muffler or just extensions. I have heard people talking about how the engine runs better with back pressure. Just wandering what everybody else does.

01-12-2004, 04:54 AM	#1
ciara Registered Member Join Date: Jan 2002 Posts: 100	Does a 500hp strip only car need open headers or exhaust My car put out about 500 hp. Should I be running open headers or put on a race muffler or just extensions. I have heard people talking about how the engine runs better with back pressure. Just wandering what everybody else does.