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The stinger's length and inside diameter are based on 0.59 to 0.63x the header pipe diameter and its length is equal to 12 times its diameter, depending on the results to be achieved. In a well designed tuned exhaust system, the total increase in pressure is in any case much less than the one produced by a muffler.
A header is a manifold specifically designed for performance. [1] During design, engineers create a manifold without regard to weight or cost but instead for optimal flow of the exhaust gases. This design results in a header that is more efficient at scavenging the exhaust from the cylinders. Headers are generally circular steel tubing with ...
The goal of performance exhaust headers is mainly to decrease flow resistance (back pressure), and to increase the volumetric efficiency of an engine, resulting in a gain in power output. The processes occurring can be explained by the gas laws , specifically the ideal gas law and the combined gas law .
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Engine Swapping Applications: When swapping over the EJ20X/Y Powertrain over to these models, you have the option to use the twin-scroll turbocharger and JDM headers, up-pipe but you'll need to source/alternate a twin-scroll downpipe to fit along your current exhaust set-up or swap over the USDM Intake Manifold along with the USDM headers, up ...
As Pontiac still wanted to offer a performance motor to compete in the performance market, they looked back to the 400 Pontiac and how it could be improved to offer greater performance while meeting CAFE standards. In 1977 the 400-cubic-inch (6.6 L) T/A 6.6, (RPO code W72) was created to fulfil the performance engine gap in the Pontiac line-up ...