Quote:
Originally Posted by ConnClark
Not true.
Lower back pressure means less work for the engine to expel gases from the cylinders on the exhaust stroke.
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It's funny when people talk about back pressure or pressure drop in the piping of charged engines. The condition they talk about is almost always at WOT. Sure, that stock exhaust is very restrictive, at WOT near redline. My IC have a 3 psi drop, at max boost over 4k rpm, but the drop does not even register on the gauge under normal highway driving.