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How do exhaust headers work to improve engine …
https://auto.howstuffworks.com/question172.htm
The goal of headers is to make it easier for the engine to push exhaust gases out of the cylinders. When you look at the four-stroke cycle in …
Exhaust Headers Guide: What to Know Before You Flow
https://www.autoanything.com/resources/how-do-exhaust-headers-work-what-is-their-purpose/
while they do the same job, the difference is that an exhaust manifold is a solid cast iron piece across all cylinders while an exhaust …
What is an Exhaust Header? (with picture) - Info Bloom
https://www.wikimotors.org/what-is-an-exhaust-header.htm
An exhaust header is an after market automotive part designed to improve vehicle performance. The small gain in performance facilitated by an exhaust header is important to high performance drivers who often make other modifications to their vehicles in …
How F1 Exhausts work - Racecar Engineering - Racing
https://www.racecar-engineering.com/tech-explained/how-f1-exhausts-work/
Tighter packaging of the exhaust allows the rear end to be a 'coke-bottle' shape (red arrow) which improves the overall aerodynamic performance. Racing …
The Science Behind Exhaust Header Tuning - OnAllCylinders
https://www.onallcylinders.com/2015/10/30/header-theory-part-1-looking-at-the-science-behind-exhaust-header-tuning/
Are Headers Worth The Performance Improvement?
https://www.carid.com/articles/are-headers-worth-performance-improvement.html
An exhaust header has individual tubes for each exhaust port, allowing each exhaust pulse to flow unobstructed from the cylinder head. However, some factory exhaust manifolds also have individual tubes. The most sophisticated of these and the most well thought out of this type are found on performance cars.
Headers Effect On Horsepower and Torque - Car Craft …
https://www.motortrend.com/how-to/ccrp-0312-headers-effect-on-horsepower-and-torque/
Header SizeConsider this: It is the downward motion of a piston that creates cylinder pressure less than atmospheric. Intake flow velocity then becomes a function of piston displacement, engine...
Do Aftermarket Exhaust Headers Really Add Performance?
https://www.motorbiscuit.com/do-aftermarket-exhaust-headers-really-add-performance/
Exhaust headers, though, with their longer individual tubes, are designed to prevent this. In addition, the longer tubes create a ‘scavenging’ effect, to pull exhaust gases faster out of the chamber. At least, that’s what the aftermarket suppliers claim on paper. But does that play out in real life? Donut Media tried to find out using an NA Miata.
Tech: Five Tips On Building A Set Of Bad-Ass Race Headers
https://www.enginelabs.com/news/tech-five-tips-on-building-a-set-of-bad-ass-race-headers/
A good set of race headers accomplishes one major task in particular; they help your high-powered engine to breathe more efficiently, and a byproduct of that efficiency is more power, especially when the headers are built properly.
Tuning Header Collectors for Optimum Performance
https://www.onallcylinders.com/2015/11/27/header-theory-part-2-tuning-header-collectors-for-optimum-performance/
Try-Y (4-2-1) headers collect the exhaust by pairs of cylinders that are as far apart as possible in the firing order. The idea is the gases racing past the silent tube will scavenge a vacuum in it, reducing exhaust reversion. We have found no advantage in this design for the majority of racing applications.”
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