Stop Saying Car Exhausts Need Back Pressure

Why Car Engines Don’t Need Back Pressure Exhaust Scavenging Awesome Car Products: Subscribe for new videos every Wednesday! - Do cars need back pressure? How should you size an exhaust? What exhaust diameter is too large, or too small? What is exhaust scavenging? What is wave scavenging? Why is exhaust velocity important? Cars don’t need back pressure. More specifically, internal combustion engines do not benefit from back pressure