waste·gate ('wAst·'gAt), n. 1. An exhaust bypass valve employed by turbocharged engines used to control boost pressure by means of alternating exhaust gas flow either to or away from the turbine ...

On the other hand, EGR valve failures are more common with this engine. See All 8 Photos EGR metering valves tend to take a lot of abuse from being constantly exposed to the exhaust stream.

Exhaust Gas Recirculation (EGR) valve is a critical part of modern diesel and gasoline engines since it regulates emissions and reduces nitrogen oxides (NOx).

Selecting the right valve. HRH valve requirements are complex from a mechanical design standpoint. The ANSI 600-lb-rated valves range from 12 to 24 inches in diameter.

No car enthusiast wants a poor-performing, quiet exhaust. This is the single best mod to improve both in one go.

Having an Alfa Romeo that can do a 0-62mph in 3.9 seconds isn’t enough as sports cars have to be not just fast these days, but stimulate the driver with a proper exhaust note as well.

As mentioned, the EGR valve in your diesel engine is an important component, both for your vehicle's performance and the environment. However, like many other auto parts, it's subject to wear and ...

This unusual 2JZ-GTE exhaust manifold is designed around a top-level racing trick for killing turbo lag: Fresh air anti-lag.