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JonCR96Z · 07-05-2009, 01:35 AM

Back pressure is the wrong term. You don't want any back pressure. What you are looking for is high exhaust velocity, which you can get by not having too big of an exhaust.

07-05-2009, 01:35 AM	#5
JonCR96Z 11 Second Club 2001 Pontiac Trans Am My Garage Trader Rating: 11 Join Date: Jan 2003 Location: Asheboro, NC Posts: 2,263	Back pressure is the wrong term. You don't want any back pressure. What you are looking for is high exhaust velocity, which you can get by not having too big of an exhaust. __________________