Alright, so I've laways heard the theory of backpresure .. how 3" exhasut drops over 2.5" etc, etc, but can anyone explain that for me? I understand the science of a free-flowing intake, and how torque is affected by making it flow too much air even if heads are up to it, but how does no pressure on release of exhasut affect it? All the top-fuel dragsters and funny cars I see all just have stright piped exhaust coming out with absolutely nothing. Is is maybe proportional to the HP produced? Thanks for any insight!
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Tired of the tuner world, time for some Domestic Muscle.
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