You roll up to a stop sign and your chest tightens with dread. Whenever you accelerate, your engine sputters, backfires, and in general sounds horrible. Plus your car smells awful. All of these ...

When we have an automotive concept that involves complex science, we know just who to turn to for a proper explanation. That would be Jason Fenske from Engineering Explained. Today's concept is all ...

Straight pipes result in seriously loud exhaust noises, but in the right situations, they could reap benefits when it comes ...

Shock Diamonds and Mach Disks in jet engines exhaust can be particularly evident and fascinating at night. The video below shows RAF Lakenheath’s Propulsion Test Cell during a test of an F-15E Strike ...

This story was originally published on cycleworld.com. Few elements have as large an impact on a motorcycle’s design as the exhaust system. From header to exit, the gently curving shapes help define ...

Don't let the glorious Bow Tie horsepower fool you. Firing eight cylinders every 90 degrees in a 1-8-4-3-6-5-7-2 sequence is an inherently chaotic endeavor. Since the mass of the counterweights and ...

Gale Banks' blow-through twin turbo system offers stock hood clearance, instant response and unreal performance on pump gas. The most common complaints about turbochargers are that they aren't simple ...

If they are sized to match your engine's output, there’s no power difference between catalysts and straight pipes. Read the Internet forums or Facebook discussion groups and you’ll find any number of ...