Shaping Your Car Exhaust Like a Silly Straw Is Horrible for Performance, Dyno Proves

Exhaust systems come in many shapes and sizes, and that can have a real effect on performance. The Fabrication Series YouTube channel recently proved that by testing both conventional and unconventional exhaust shapes. Where does this team of fabricators go from there? To a design not even intended for cars, obviously. The subject of this video is a Tesla valve which, while it is also named after inventor Nikola Tesla, has nothing to do with the automaker. A Tesla valve might look like a silly straw design, but it’s actually a one-way valve that has no moving parts. Curved segments that look like half hearts allow fluids to flow in…

Read the full story at The Drive →